🛡️ CVE-2019-12468 — core

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-284 OSV
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Wikimedia MediaWiki Incorrect Access Control vulnerability

An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2019-12468 is classified as CWE-284: Improper Access Control. The software does not restrict an action to the actors that should be allowed to perform it.

Affected software

CVE-2019-12468 is recorded against 1 package.

  • mediawiki/core (from 1.32.0 up to 1.32.2)

Timeline and source

Published on 24 May 2022 and last revised on 19 May 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
lists.wikimedia.org (Web)
lists.wikimedia.org (Web)
phabricator.wikimedia.org (Web)
seclists.org (Web)
www.debian.org (Web)

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-284
Public Exploit ✅ No
Source OSV
Published 2022-05-24
Updated 2026-08-12
Modified 2024-05-19
Fix URL N/A

Affected Packages

Software From version Fixed in
mediawiki/core 1.32.0 1.32.2

Similar Threats

Exploit Protection

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