CVE-2026-58030

EUVD-2026-41018
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation SyntaxHighlight_GeSHi.

 This vulnerability is associated with program files includes/SyntaxHighlight.Php.



This issue affects SyntaxHighlight_GeSHi: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 6.94%
Affected Products (NVD)
VendorProductVersion
mediawikimediawiki
1.43.0 ≤
𝑥
< 1.43.9
mediawikimediawiki
1.44.0 ≤
𝑥
< 1.44.6
mediawikimediawiki
1.45.0 ≤
𝑥
< 1.45.4
mediawikimediawiki
1.46.0:rc0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
mediawiki
bookworm
vulnerable
bookworm (security)
vulnerable
bullseye
vulnerable
bullseye (security)
vulnerable
forky
1:1.43.9+dfsg-1
fixed
sid
1:1.43.9+dfsg-1
fixed
trixie
1:1.43.9+dfsg-1~deb13u1
fixed
trixie (security)
1:1.43.9+dfsg-1~deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mediawiki
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
Common Weakness Enumeration
References
https://phabricator.wikimedia.org/T427167