PT-2019-3447 · Wikimedia+1 · Mediawiki+1

Ohgi · Published 2019-06-07 · Updated 2025-09-29 · CVE-2019-12469

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions MediaWiki versions prior to 1.32.2 MediaWiki versions prior to 1.31.2 MediaWiki versions prior to 1.30.2 MediaWiki versions prior to 1.27.6

Description The issue is related to insufficient access control in MediaWiki, allowing a remote attacker to gain unauthorized access to information. Specifically, suppressed usernames or log in Special:EditTags are exposed.

Recommendations For MediaWiki versions prior to 1.32.2, update to version 1.32.2 or later. For MediaWiki versions prior to 1.31.2, update to version 1.31.2 or later. For MediaWiki versions prior to 1.30.2, update to version 1.30.2 or later. For MediaWiki versions prior to 1.27.6, update to version 1.27.6 or later.

Exploit

Fix

Information Disclosure

Improper Access Control

Missing Authorization

Weakness Enumeration

CWE-200

CWE-284

CWE-862

Related Identifiers

ALSA-2025_16880

ALT-PU-2019-2016

ALT-PU-2019-2054

BDU:2019-03618

CVE-2019-12469

DSA-4460-1

GHSA-X3FR-W7R5-X7RG

MGASA-2019-0279

Affected Products

Alt Linux

Mediawiki

References · 23

• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12469.yaml · Exploit
• https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-x3fr-w7r5-x7rg · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-12469 · Vendor Advisory
• https://debian.org/security/2019/dsa-4460 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-12469 · Security Note
• https://cve.org/CVERecord?id=CVE-2019-12469 · Security Note
• https://advisories.mageia.org/MGASA-2019-0279.html · Security Note
• https://osv.dev/vulnerability/DSA-4460-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-12469 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-03618 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2019-12469 · Vendor Advisory
• https://phabricator.wikimedia.org/T222036 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-12469 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2019-0279 · Vendor Advisory