CVEvulnerability

CVE-2024-6844

5.3 MEDIUM Published 2025-03-20 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2025-03-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
5.3 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-346

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.

Affected configurations

• flask-cors project flask-cors 4.0.1

Related

Weakness · CWE (1)

  • CWE-346 Origin Validation Error weakness

References