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.
{
"cwe_ids": [
"CWE-346"
],
"cna_assigner": "@huntr_ai",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/6xxx/CVE-2024-6844.json"
}{
"source": "CPE_FIELD",
"cpe": "cpe:2.3:a:flask-cors_project:flask-cors:4.0.1:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "4.0.1"
}
]
}