PT-2026-31045 · Mediawiki · Mediawiki - Score Extension

Somerandomdeveloper · CVE-2026-39936 · Published 2026-04-07 · Updated 2026-04-08

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Mediawiki - Score Extension (affected versions not specified)

Description The Mediawiki - Score Extension contains a cross-site scripting (XSS) issue due to improper neutralization of input during web page generation. This allows for the execution of malicious scripts within the context of a user's browser.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-39936

Affected Products

Mediawiki - Score Extension

References · 4

• 🔥 https://phabricator.wikimedia.org/T419186 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-39936 · Security Note
• https://twitter.com/CVEnew/status/2041711846735147173 · Twitter Post
• https://gerrit.wikimedia.org/r/q/I1fb2913bc32328cbc4ecd4b4ad4a4788fb98c56c · Note