CVE-2017-8811

MEDIUM 6.1CVE-2017-8811 · Published 15/11/2017 · updated 17/06/2026

In short

CVE-2017-8811 is a MEDIUM (CVSS 6.1) vulnerability affecting mediawiki (mediawiki).
Chance of exploitation in the next 30 days (EPSS): 1.0%, higher than 64.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mediawiki mediawiki	`= 1.28.0= 1.28.1= 1.28.2= 1.29.0= 1.29.1≤ 1.27.3`	No fix yet

Description

The implementation of raw message parameter expansion in MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 allows HTML mangling attacks.

References

securitytracker.com/id/1039812 · Third Party Advisory
lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html · Mailing List
debian.org/security/2017/dsa-4036 · Third Party Advisory

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Package

Affected versions

Patched versions

mediawiki

= 1.28.0= 1.28.1= 1.28.2= 1.29.0= 1.29.1≤ 1.27.3

No fix yet

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