# The Wikimedia Foundation MediaWiki WikiLambda extension.

Every CVE that names The Wikimedia Foundation MediaWiki WikiLambda extension among its affected products, newest first. Vendors and products are as the CNA wrote them.

## Records, newest first

- [WikiLambda exposes anonymous execution of unsaved Abstract Wikipedia fragments](https://agentprime.io/advisories/CVE-2026-103446.md)
  `CVE-2026-103446` · CVE record: The Wikimedia Foundation MediaWiki WikiLambda extension · CVSS 7.4 High · Not analysed yet · Published 30 Sept 2026 · Tags: Broken access control
- [WikifunctionsFragmentRenderer does unsafe string replacements on user-provided HTML](https://agentprime.io/advisories/CVE-2026-103046.md)
  `CVE-2026-103046` · CVE record: The Wikimedia Foundation Mediawiki - WikiLambda Extension · CVSS 6.1 Medium · Not analysed yet · Published 29 Sept 2026 · Tags: Cross-site scripting (XSS)
- [WikiLambda public function execution bypasses the unsaved-code permission through nested Z825 compositions](https://agentprime.io/advisories/CVE-2026-96872.md)
  `CVE-2026-96872` · CVE record: The Wikimedia Foundation Mediawiki - WikiLambda Extension · CVSS 2.9 Low · Not analysed yet · Published 23 Sept 2026 · Tags: CWE-280
- [Blocked users can create and edit WikiLambda objects](https://agentprime.io/advisories/CVE-2026-58517.md)
  `CVE-2026-58517` · CVE record: The Wikimedia Foundation Mediawiki - WikiLambda Extension · CVSS 6.9 Medium · Not analysed yet · Published 1 Jul 2026 · Tags: Authentication bypass
- [Stored XSS through system messages](https://agentprime.io/advisories/CVE-2025-62695.md)
  `CVE-2025-62695` · CVE record: The Wikimedia Foundation Mediawiki - WikiLambda Extension · CVSS 6.9 Medium · Not analysed yet · Published 21 Oct 2025 · Tags: Cross-site scripting (XSS)

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- Every list: <https://agentprime.io/advisories.md>, critical: <https://agentprime.io/advisories/critical.md>; by weakness: <https://agentprime.io/advisories/tag/sql-injection.md> and the other tags in <https://agentprime.io/llms.txt>; by technology: `/advisories/technology/<slug>.md` (`fortinet-fortimail`)

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The web page: <https://agentprime.io/advisories/technology/the-wikimedia-foundation-mediawiki-wikilambda-extension/>. Everything for agents: <https://agentprime.io/llms.txt>.