PT-2021-19418 · Mediawiki+1 · Mediawiki+1

Daimona · Published 2021-04-22 · Updated 2024-03-06 · CVE-2021-31548

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions MediaWiki versions through 1.35.2

Description An issue was discovered in the AbuseFilter extension for MediaWiki, allowing a MediaWiki user who is partially blocked or was unsuccessfully blocked to bypass AbuseFilter and have their edits completed.

Recommendations For versions through 1.35.2, update to a version that contains a fix for this issue to prevent users from bypassing AbuseFilter.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

ALT-PU-2021-1991

ALT-PU-2021-2091

BIT-MEDIAWIKI-2021-31548

CVE-2021-31548

Affected Products

Alt Linux

Mediawiki

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-31548 · Security Note
• https://osv.dev/vulnerability/BIT-mediawiki-2021-31548 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-31548 · Vendor Advisory
• https://phabricator.wikimedia.org/T272333 · Note
• https://gerrit.wikimedia.org/r/q/Ifac795125927d584a31d95e1b4c4241eef860fa1 · Note