The Wikimedia Foundation Mediawiki - CampaignEvents Extension vulnerabilities

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Published CVEs affecting The Wikimedia Foundation Mediawiki - CampaignEvents Extension: 2 record(s), with affected versions and fixes.

CVE-2026-39935 Medium · 6.9 CWE-79 Apr 7, 2026

XSS-via-i18n in localised wiki names

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS). This issue was remediated only on the `master` branch.

CVE-2026-0817 Medium · 5.3 CWE-862 Jan 9, 2026

CampaignEvents API missing authorization exposes meeting and chat URLs

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.