CVE-2019-12471
MediaWiki Cross-site Scripting (XSS)
6.1
MEDIUM
CVSS 3.1
EPSS 0.35%
Description
Wikimedia MediaWiki 1.30.0 through 1.32.1 has XSS. Loading user JavaScript from a non-existent account allows anyone to create the account, and perform XSS on users loading that script. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
How to fix CVE-2019-12471
To remediate CVE-2019-12471, 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-2019-12471 being exploited?
Low — EPSS is 0.4%, 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 | MEDIUM6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |