--- title: "SECURITY-ISSUE-IN-THIRD-PARTY-TYPO3-EXTENSION-MM-FORUM-MM-FORUM: Security issue in third-party TYPO3 extension \"mm_forum\" (mm_forum)" url: "https://news.typo3.com/security/advisory/security-issue-in-third-party-typo3-extension-mm-forum-mm-forum" description: A security vulnerabilitiy have been discovered in the third party TYPO3 extension mm_forum. image: "https://news.typo3.com/_assets/d1e01514e4c4a5b3147940fa2ec50682/Images/og-image-news.jpg" date: 2026-06-11 modified: 2026-06-11 categories: - "Developer & Technology" - Security --- # SECURITY-ISSUE-IN-THIRD-PARTY-TYPO3-EXTENSION-MM-FORUM-MM-FORUM: Security issue in third-party TYPO3 extension "mm_forum" (mm_forum) - [Developer & Technology](https://news.typo3.com/article/category/developer-technology) - [Security](https://news.typo3.com/article/category/security-1) SECURITY-ISSUE-IN-THIRD-PARTY-TYPO3-EXTENSION-MM-FORUM-MM-FORUM: Security issue in third-party TYPO3 extension "mm\_forum" (mm\_forum) ====================================================================================================================================== 12 August 2010 ![A laptop screen displaying a list of security advisories](https://news.typo3.com/typo3temp/assets/_processed_/d/c/csm_security_blog_default_77f8e86036.webp) A security vulnerabilitiy have been discovered in the third party TYPO3 extension mm\_forum. - ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/bbf959d8e683550c90ae922aff9145d8.jpeg)[Marcus Krause](https://news.typo3.com/article/author/marcus-krause) For further information on the issue in the extension "mm\_forum" (mm\_forum), please read the related advisory TYPO3-SA-2010-016 that was published today: ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/b5c88386e5b1d8fca79d0652427922d2.jpeg) About the Author [Marcus Krause](https://news.typo3.com/article/author/marcus-krause) [More posts by this author](https://news.typo3.com/article/author/marcus-krause)