PT-2018-3064 · Wikimedia+1 · Mediawiki+1

Iluvatar · Published 2017-08-22 · Updated 2025-09-29 · CVE-2019-12467

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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 the Special:ChangeEmail function of MediaWiki, allowing an attacker to replace the sender's email address. This can be exploited by a remote attacker to impact data integrity. A spammer can use Special:ChangeEmail to send out spam with no rate limiting or ability to block them.

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

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

ALSA-2025_16880

ALT-PU-2017-2095

ALT-PU-2019-2016

ALT-PU-2019-2054

BDU:2019-03563

CVE-2019-12467

DSA-4460-1

GHSA-6VFG-8PPV-H5HG

MGASA-2019-0279

Affected Products

Alt Linux

Mediawiki

References · 23

• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12467.yaml · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-12467 · Vendor Advisory
• https://phabricator.wikimedia.org/T209794 · Patch
• https://bdu.fstec.ru/vul/2019-03563 · Security Note
• https://debian.org/security/2019/dsa-4460 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-12467 · Security Note
• https://advisories.mageia.org/MGASA-2019-0279.html · Security Note
• https://cve.org/CVERecord?id=CVE-2019-12467 · Security Note
• https://osv.dev/vulnerability/DSA-4460-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-12467 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-12467 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-6vfg-8ppv-h5hg · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-12467 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-12467 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2019-0279 · Vendor Advisory