CVE-2020-7965

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

flaskparser.py in Webargs 5.x through 5.5.2 doesn't check that the Content-Type header is application/json when receiving JSON input. If the request body is valid JSON, it will accept it even if the content type is application/x-www-form-urlencoded. This allows for JSON POST requests to be made across domains, leading to CSRF.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-352

Affected software

No affected versions have been published.

Timeline

Published: Jan 29, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-79667.5GitLab EE 11.11 and later through 12.7.2 allows Directory Traversal.CVE-2020-79674.3GitLab EE 8.0 through 12.7.2 has Insecure Permissions (issue 1 of 2).CVE-2020-79687.5GitLab EE 8.0 through 12.7.2 has Incorrect Access Control.CVE-2020-79697.5GitLab EE 8.0 and later through 12.7.2 allows Information Disclosure.CVE-2020-79716.1GitLab EE 11.0 and later through 12.7.2 allows XSS.CVE-2020-79727.5GitLab EE 12.2 has Insecure Permissions (issue 2 of 2).CVE-2020-79736.1GitLab through 12.7.2 allows XSS.CVE-2020-79745.3GitLab EE 10.1 through 12.7.2 allows Information Disclosure.CVE-2020-79765.3GitLab EE 12.4 and later through 12.7.2 has Incorrect Access Control.CVE-2020-79775.3GitLab EE 8.8 and later through 12.7.2 has Insecure Permissions.CVE-2020-79787.5GitLab EE 12.6 and later through 12.7.2 allows Denial of Service.CVE-2020-79795.3GitLab EE 8.9 and later through 12.7.2 has Insecure Permission