CVEvulnerability

CVE-2026-39838

6.9 MEDIUM Published 2026-04-07 Modified 2026-07-21 Official page ↗
Status
Awaiting Analysis
Published
2026-04-07
Last modified
2026-07-21
Assigner
c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
CVSS 4.0 (c4f26cc8-17ff-4c99-b5e2-38fc1793eacc)
6.9 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weaknesses
CWE-79

Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation MediaWiki - ProofreadPage Extension allows XSS Targeting Non-Script Elements. The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.

Related

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References