PT-2026-33203 · Wikimedia Foundation+1 · Scribunto+1

Somerandomdeveloper · CVE-2026-34089 · Published 2026-04-06 · Updated 2026-05-11

Positive Technologies (AI Summary)

CVSS v4.0

2.3

Low

Base vector

AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Scribunto versions 1.45.0 through 1.45.1

Description A security issue exists in the Wikimedia Foundation Scribunto software.

Recommendations Update to version 1.45.2.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-34089

Affected Products

Scribunto

Mediawiki

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-34089 · Security Note
• https://ubuntu.com/security/CVE-2026-34089 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-34089 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-34089 · Security Note
• https://lists.wikimedia.org/hyperkitty/list/[e-mail]/thread/DIBLSBHISKX6NFRUFNOGZRVW42E7R2QP · Note
• https://phabricator.wikimedia.org/T419168 · Note
• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Scribunto/+/1265609 · Note
• https://twitter.com/CVEnew/status/2053932477090304154 · Twitter Post