A vulnerability in corydolphin/flask-cors version 4.0.1 allows for inconsistent CORS matching due to the handling of the '+' character in URL paths. The request.path is passed through the unquote_plus function, which converts the '+' character to a space ' '. This behavior leads to incorrect path normalization, causing potential mismatches in CORS configuration. As a result, endpoints may not be matched correctly to their CORS settings, leading to unexpected CORS policy application. This can cause unauthorized cross-origin access or block valid requests, creating security vulnerabilities and usability issues.
Metrics
Affected Vendors & Products
References
History
Wed, 15 Oct 2025 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-840 |
Wed, 15 Oct 2025 13:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-346 |
Fri, 01 Aug 2025 01:45:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Flask-cors Project
Flask-cors Project flask-cors |
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| CPEs | cpe:2.3:a:flask-cors_project:flask-cors:4.0.1:*:*:*:*:*:*:* | |
| Vendors & Products |
Flask-cors Project
Flask-cors Project flask-cors |
Thu, 20 Mar 2025 15:15:00 +0000
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| Metrics |
ssvc
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Thu, 20 Mar 2025 10:15:00 +0000
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| Description | A vulnerability in corydolphin/flask-cors version 4.0.1 allows for inconsistent CORS matching due to the handling of the '+' character in URL paths. The request.path is passed through the unquote_plus function, which converts the '+' character to a space ' '. This behavior leads to incorrect path normalization, causing potential mismatches in CORS configuration. As a result, endpoints may not be matched correctly to their CORS settings, leading to unexpected CORS policy application. This can cause unauthorized cross-origin access or block valid requests, creating security vulnerabilities and usability issues. | |
| Title | Inconsistent CORS Matching Due to Handling of '+' in URL Path in corydolphin/flask-cors | |
| Weaknesses | CWE-840 | |
| References |
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| Metrics |
cvssV3_0
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Status: PUBLISHED
Assigner: @huntr_ai
Published: 2025-03-20T10:10:51.818Z
Updated: 2025-10-15T12:50:34.011Z
Reserved: 2024-07-17T18:28:09.292Z
Link: CVE-2024-6844
Updated: 2025-03-20T14:26:05.664Z
Status : Modified
Published: 2025-03-20T10:15:34.120
Modified: 2025-10-15T13:15:50.340
Link: CVE-2024-6844
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