🛡️ CVE-2022-29906 — mediawiki

🔴 CVSS 9.5 — Critical ⚠️ Exploit Public CWE-862 OSV
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

The admin API module in the QuizGame extension for MediaWiki through 1.37.2 (before 665e33a68f6fa1167df99c0aa18ed0157cdf9f66) omits a check for the quizadmin user.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-29906 is classified as CWE-862: Missing Authorization. No authorisation check is performed before carrying out a restricted action.

Affected software

CVE-2022-29906 is recorded against 1 package.

  • mediawiki

Timeline and source

Published on 6 March 2024 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from OSV.

References

gerrit.wikimedia.org (Web)
phabricator.wikimedia.org (Web)
nvd.nist.gov (Web)

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-862
Public Exploit ⚠️ Yes
Source OSV
Published 2024-03-06
Updated 2026-08-20
Modified 2026-06-17

Affected Packages

Software From version Fixed in
mediawiki — —

Similar Threats

Exploit Protection

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CVE-2022-29906 carries CVSS 9.5 Critical rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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