5.3

CVE-2026-0817

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Wikimedia ≫ Campaignevents Version1.39 SwPlatformmediawiki
Wikimedia ≫ Campaignevents Version1.43 SwPlatformmediawiki
Wikimedia ≫ Campaignevents Version1.44 SwPlatformmediawiki
Wikimedia ≫ Campaignevents Version1.45 SwPlatformmediawiki
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.25% 0.16
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-862 Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

https://phabricator.wikimedia.org/T410560
Issue Tracking
https://gerrit.wikimedia.org/r/q/I7ed0049691258c8bd2555e599b9b88490fbe3358
Patch