Description
MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 allows remote attackers to inject > (greater than) characters via the id attribute of a headline.
References (3)
Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1039812
Mailing List, Patch, Vendor Advisory x_refsource_confirm
https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2017/dsa-4036
Scores
CVSS v3
5.3
EPSS
0.0083
EPSS Percentile
74.8%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Details
Status
published
Products (8)
debian/debian_linux
9.0
mediawiki/mediawiki
1.28.0
mediawiki/mediawiki
1.28.1
mediawiki/mediawiki
1.28.2
mediawiki/mediawiki
1.29.0
mediawiki/mediawiki
1.29.1
mediawiki/mediawiki
< 1.27.3
n/a/MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2
MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2
Published
Nov 15, 2017
Tracked Since
Feb 18, 2026