vulnerability

MediaWiki: Session Fixation (CVE-2013-4572)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
Feb 6, 2020
Added
Feb 12, 2020
Modified
Apr 7, 2026

Description

The CentralNotice extension for MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 sets the Cache-Control header to cache session cookies when a user is autocreated, which allows remote attackers to authenticate as the created user.

Solutions

mediawiki-upgrade-1_19_9mediawiki-upgrade-1_20_8mediawiki-upgrade-1_21_3
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.