CVE-2021-21275

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

The MediaWiki "Report" extension has a Cross-Site Request Forgery (CSRF) vulnerability. Before fixed version, there was no protection against CSRF checks on Special:Report, so requests to report a revision could be forged. The problem has been fixed in commit f828dc6 by making use of MediaWiki edit tokens.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 25, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-21275: Medium severity, CVSS 4.3 | Vulnix