| Using Slashes and URL Encoding Combined to Bypass Validation Logic |
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CWE-20
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Improper Input Validation
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CWE-21
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CWE-22
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Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
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CWE-73
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External Control of File Name or Path
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CWE-74
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Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
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CWE-171
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CWE-172
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Encoding Error
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CWE-173
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Improper Handling of Alternate Encoding
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CWE-177
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Improper Handling of URL Encoding (Hex Encoding)
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CWE-697
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Incorrect Comparison
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CWE-707
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Improper Neutralization
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| URL Encoding |
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CWE-20
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Improper Input Validation
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CWE-21
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CWE-73
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External Control of File Name or Path
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CWE-74
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Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
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CWE-171
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CWE-172
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Encoding Error
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CWE-173
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Improper Handling of Alternate Encoding
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CWE-177
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Improper Handling of URL Encoding (Hex Encoding)
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| Using Escaped Slashes in Alternate Encoding |
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CWE-20
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Improper Input Validation
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CWE-21
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CWE-22
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Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
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CWE-73
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External Control of File Name or Path
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CWE-74
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Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
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CWE-171
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CWE-172
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Encoding Error
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CWE-173
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Improper Handling of Alternate Encoding
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CWE-180
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Incorrect Behavior Order: Validate Before Canonicalize
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CWE-181
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Incorrect Behavior Order: Validate Before Filter
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CWE-697
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Incorrect Comparison
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CWE-707
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Improper Neutralization
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| Leverage Alternate Encoding |
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CWE-20
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Improper Input Validation
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CWE-21
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CWE-73
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External Control of File Name or Path
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CWE-74
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Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
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CWE-171
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CWE-172
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Encoding Error
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CWE-173
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Improper Handling of Alternate Encoding
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CWE-180
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Incorrect Behavior Order: Validate Before Canonicalize
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CWE-181
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Incorrect Behavior Order: Validate Before Filter
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CWE-692
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Incomplete Denylist to Cross-Site Scripting
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CWE-697
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Incorrect Comparison
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| Using Unicode Encoding to Bypass Validation Logic |
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CWE-20
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Improper Input Validation
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CWE-74
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Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
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CWE-171
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CWE-172
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Encoding Error
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CWE-173
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Improper Handling of Alternate Encoding
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CWE-176
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Improper Handling of Unicode Encoding
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CWE-179
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Incorrect Behavior Order: Early Validation
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CWE-180
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Incorrect Behavior Order: Validate Before Canonicalize
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CWE-183
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Permissive List of Allowed Inputs
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CWE-184
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Incomplete List of Disallowed Inputs
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CWE-692
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Incomplete Denylist to Cross-Site Scripting
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CWE-697
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Incorrect Comparison
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| Postfix, Null Terminate, and Backslash |
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CWE-20
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Improper Input Validation
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CWE-74
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Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
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CWE-158
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Improper Neutralization of Null Byte or NUL Character
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CWE-171
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CWE-172
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Encoding Error
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CWE-173
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Improper Handling of Alternate Encoding
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CWE-697
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Incorrect Comparison
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CWE-707
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Improper Neutralization
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| Using Leading 'Ghost' Character Sequences to Bypass Input Filters |
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CWE-20
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Improper Input Validation
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CWE-41
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Improper Resolution of Path Equivalence
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CWE-74
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Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
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CWE-171
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CWE-172
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Encoding Error
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CWE-173
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Improper Handling of Alternate Encoding
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CWE-179
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Incorrect Behavior Order: Early Validation
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CWE-180
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Incorrect Behavior Order: Validate Before Canonicalize
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CWE-181
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Incorrect Behavior Order: Validate Before Filter
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CWE-183
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Permissive List of Allowed Inputs
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CWE-184
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Incomplete List of Disallowed Inputs
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CWE-697
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Incorrect Comparison
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CWE-707
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Improper Neutralization
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| Embedding NULL Bytes |
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CWE-20
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Improper Input Validation
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CWE-74
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Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
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CWE-158
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Improper Neutralization of Null Byte or NUL Character
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CWE-171
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CWE-172
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Encoding Error
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CWE-173
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Improper Handling of Alternate Encoding
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CWE-697
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Incorrect Comparison
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CWE-707
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Improper Neutralization
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| Double Encoding |
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CWE-20
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Improper Input Validation
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CWE-21
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CWE-74
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Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
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CWE-171
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CWE-172
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Encoding Error
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CWE-173
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Improper Handling of Alternate Encoding
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CWE-177
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Improper Handling of URL Encoding (Hex Encoding)
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CWE-181
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Incorrect Behavior Order: Validate Before Filter
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CWE-183
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Permissive List of Allowed Inputs
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CWE-184
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Incomplete List of Disallowed Inputs
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CWE-692
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Incomplete Denylist to Cross-Site Scripting
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CWE-697
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Incorrect Comparison
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| Using UTF-8 Encoding to Bypass Validation Logic |
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CWE-20
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Improper Input Validation
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CWE-21
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CWE-73
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External Control of File Name or Path
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CWE-74
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Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
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CWE-171
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CWE-172
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Encoding Error
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CWE-173
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Improper Handling of Alternate Encoding
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CWE-180
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Incorrect Behavior Order: Validate Before Canonicalize
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CWE-181
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Incorrect Behavior Order: Validate Before Filter
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CWE-692
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Incomplete Denylist to Cross-Site Scripting
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CWE-697
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Incorrect Comparison
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