--- title: "SECURITY-ISSUES-IN-THIRD-PARTY-TYPO3-EXTENSIONS: Security issues in third-party TYPO3 extensions" url: "https://news.typo3.com/security/advisory/security-issues-in-third-party-typo3-extensions" description: Security vulnerabilities have been discovered in third-party TYPO3 extensions event, festat, jw_calendar, ke_questionnaire, mh_branchenbuch, webkitpdf, vx_xajax_shoutbox 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-ISSUES-IN-THIRD-PARTY-TYPO3-EXTENSIONS: Security issues in third-party TYPO3 extensions - [Developer & Technology](https://news.typo3.com/article/category/developer-technology) - [Security](https://news.typo3.com/article/category/security-1) SECURITY-ISSUES-IN-THIRD-PARTY-TYPO3-EXTENSIONS: Security issues in third-party TYPO3 extensions ================================================================================================ 11 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) Security vulnerabilities have been discovered in third-party TYPO3 extensions event, festat, jw\_calendar, ke\_questionnaire, mh\_branchenbuch, webkitpdf, vx\_xajax\_shoutbox - ![](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 all CSB (Collective Security Bulletin) issues, please read the related advisory TYPO3-SA-2010-015 that was published today: In general the TYPO3 Security Team recommends to read the following pages: The TYPO3 Security Cookbook: http://typo3.org/fileadmin/security-team/typo3\_security\_cookbook\_v-0.5.pdf Make sure you are subscribed to the TYPO3 Announce List: See all TYPO3 security advisories: http://typo3.org/teams/security/security-bulletins/ ![](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)