Description

Missing Authorization vulnerability in Wikimedia Foundation MediaWiki - CampaignEvents extension allows Privilege Abuse.This issue affects MediaWiki - CampaignEvents extension: 1.45, 1.44, 1.43, 1.39.

INFO

Published Date :

2026-01-09T15:50:50.616Z

Last Modified :

2026-01-09T17:37:36.036Z

Source :

wikimedia-foundation
AFFECTED PRODUCTS

The following products are affected by CVE-2026-0817 vulnerability.

Vendors Products
Mediawiki
  • Mediawiki
Wikimedia
  • Mediawiki-campaignevents Extension
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-0817.

URL Resource
https://gerrit.wikimedia.org/r/q/I7ed0049691258c8bd2555e599b9b88490fbe3358 cve-icon cve-icon
https://phabricator.wikimedia.org/T410560 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact