CVE-2026-96873CWE-79cross-site-scripting

CVE-2026-96873

published September 24, 2026

CVSS
5.5
EPSS
0%
Percentile
18.0
In the wild
Unconfirmed
What it is

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - CirrusSearch extension allows Reflected XSS.

This issue affects Mediawiki - CirrusSearch extension through 1.46.0.

The record
Technical detail
CVSS
5.5 · NONE
CVSS v4.0
5.5 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00268 · 18.0th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-24T20:17Z
References (2)
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CirrusSearch/+/1344368 · c4f26cc8-17ff-4c99-b5e2-38fc1793eacchttps://phabricator.wikimedia.org/T435234 · c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
EPSS history
Timeline
  • 26 SEP 03:27Z
    EPSS moved — → 0%
    epss
  • 24 SEP 15:27Z
    Reflected XSS in CirrusSearch debug explain output
    cvelistv5