CVE-2019-12468
Wikimedia MediaWiki Incorrect Access Control vulnerability
9.8
CRITICAL
CVSS 3.1
EPSS 0.51%
Description
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 to fix CVE-2019-12468
To remediate CVE-2019-12468, upgrade the affected package to a fixed version below.
- Debian/mediawiki—upgrade to 1:1.31.2-1 or later
- —upgrade to 1.27.6 or later
Is CVE-2019-12468 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:1.31.2-1
- >= 1.27.0, < 1.27.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |