Improper Input Validation Affecting mediawiki package, versions <1:1.27.4-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.24% (64th percentile)

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  • Snyk IDSNYK-DEBIAN11-MEDIAWIKI-515345
  • published15 Nov 2017
  • disclosed15 Nov 2017

Introduced: 15 Nov 2017

CVE-2017-8814  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Debian:11 mediawiki to version 1:1.27.4-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mediawiki package and not the mediawiki package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

The language converter in MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 allows attackers to replace text inside tags via a rule definition followed by "a lot of junk."