---
id: CVE-2026-96873
title: >-
  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.
summary: >-
  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.
severity: medium
cvss: 5.5
cvssVector: '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'
cwe:
  - CWE-79
vendor: The Wikimedia Foundation
product: Mediawiki - CirrusSearch Extension
affected:
  - mediawiki_-_cirrussearch_extension <= 1.46.0
published: '2026-09-24'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T20:02:50.260'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-96873'
references:
  - url: >-
      https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CirrusSearch/+/1344368
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
  - url: 'https://phabricator.wikimedia.org/T435234'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-24T15:37:53.640849Z'
cvssSource: cna
ingestedAt: '2026-09-24T15:45:56.657Z'
epss: 0.00268
epssPercentile: 0.16869
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.