--- title: "SECURITY-ISSUES-IN-SEVERAL-THIRD-PARTY-TYPO3-EXTENSIONS-INCLUDING-FRONTEND-USER-REGISTRATION-SR-FEUSER-REGISTER-404-ERROR-PAGE-HANDLING-ERROR-404-HANDLING-AND-TIP-A-FRIEND-TIPAFRIEND: Security issues in several third party TYPO3 extensions including \"Frontend User Registration\" (sr_feuser_register), \"404 Error Page Handling\" (error_404_handling) and \"Tip-A-Friend\" (tipafriend)" url: "https://news.typo3.com/security/advisory/security-issues-in-several-third-party-typo3-extensions-including-frontend-user-registration-sr-feuser-register-404-error-page-handling-error-404-handling-and-tip-a-friend-tipafriend" description: Security vulnerabilities have been discovered in the third party TYPO3 extensions including sr_feuser_register, error_404_handling and tipafriend 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-SEVERAL-THIRD-PARTY-TYPO3-EXTENSIONS-INCLUDING-FRONTEND-USER-REGISTRATION-SR-FEUSER-REGISTER-404-ERROR-PAGE-HANDLING-ERROR-404-HANDLING-AND-TIP-A-FRIEND-TIPAFRIEND: Security issues in several third party TYPO3 extensions including "Frontend User Registration" (sr_feuser_register), "404 Error Page Handling" (error_404_handling) and "Tip-A-Friend" (tipafriend) - [Developer & Technology](https://news.typo3.com/article/category/developer-technology) - [Security](https://news.typo3.com/article/category/security-1) SECURITY-ISSUES-IN-SEVERAL-THIRD-PARTY-TYPO3-EXTENSIONS-INCLUDING-FRONTEND-USER-REGISTRATION-SR-FEUSER-REGISTER-404-ERROR-PAGE-HANDLING-ERROR-404-HANDLING-AND-TIP-A-FRIEND-TIPAFRIEND: Security issues in several third party TYPO3 extensions including "Frontend User Registration" (sr\_feuser\_register), "404 Error Page Handling" (error\_404\_handling) and "Tip-A-Friend" (tipafriend) =============================================================================================================================================================================================================================================================================================================================================================================================== 14 April 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 the third party TYPO3 extensions including sr\_feuser\_register, error\_404\_handling and tipafriend - ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/7569d41262328e5ed8d27b53e03970ec.png)[Helmut Hummel](https://news.typo3.com/article/author/helmut-hummel) For further information on the issue in the extension "Frontend User Registration" (sr\_feuser\_register), please read the related advisory TYPO3-SA-2010-009 that was published today: For further information on the issue in the extension "404 Error Page Handling" (error\_404\_handling), please read the related advisory TYPO3-SA-2010-011 that was published today: For further information on the issue in the extension "Tip-A-Friend" (tipafriend), please read the related advisory TYPO3-SA-2010-010 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: https://typo3.org/security/advisory/ ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/bb9efc51bced8582e7b8c235f4b5f2b5.png) About the Author [Helmut Hummel](https://news.typo3.com/article/author/helmut-hummel) [More posts by this author](https://news.typo3.com/article/author/helmut-hummel)