What’s Vulnerable › Products

Wikimedia Foundation Mediawiki - TemplateSandbox Extension vulnerabilities

2 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 2 published in the last 12 months.

Check whether your Wikimedia Foundation Mediawiki - TemplateSandbox Extension version is affected

Latest Wikimedia Foundation Mediawiki - TemplateSandbox Extension vulnerabilities

• CVE-2026-100240 — TemplateSandbox does not check read permissions for the page being previewed (CVSS 9.1)
• CVE-2026-100376 — TemplateSandbox can be abused for XSS by asking another user to preview a page with a certain sandbox prefix (CVSS 4.8)