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CVE-2026-100376

TemplateSandbox can be abused for XSS by asking another user to preview a page with a certain sandbox prefix

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.46.1, 1.45.5, 1.43.10
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Cross-Site Scripting (XSS). This issue affects Mediawiki - TemplateSandbox Extension: from * before 1.46.1, 1.45.5, 1.43.10.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Wikimedia Foundation Mediawiki - TemplateSandbox Extension

    From * · fixed in 1.46.1, 1.45.5, 1.43.10

References 2

phabricator.wikimedia.org

gerrit.wikimedia.org