--- title: "TYPO3-EXT-SA-2011-004: Cross Site Scripting Vulnerability in extension Questionaire (pbsurvey)" url: "https://news.typo3.com/security/advisory/typo3-ext-sa-2011-004" description: "It has been discovered that the extension \"Questionaire\" (pbsurvey) is vulnerable to Cross-Site Scripting." image: "https://news.typo3.com/_assets/d1e01514e4c4a5b3147940fa2ec50682/Images/og-image-news.jpg" date: 2026-06-11 modified: 2026-06-11 categories: - TYPO3 Extensions --- # TYPO3-EXT-SA-2011-004: Cross Site Scripting Vulnerability in extension Questionaire (pbsurvey) - Security / [TYPO3 Extensions](https://news.typo3.com/article/category/security/typo3-extensions) TYPO3-EXT-SA-2011-004: Cross Site Scripting Vulnerability in extension Questionaire (pbsurvey) ============================================================================================== 25 August 2011 ![A laptop screen displaying a list of security advisories](https://news.typo3.com/typo3temp/assets/_processed_/d/c/csm_security_blog_default_77f8e86036.webp) It has been discovered that the extension "Questionaire" (pbsurvey) is vulnerable to Cross-Site Scripting. - ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/7569d41262328e5ed8d27b53e03970ec.png)[Helmut Hummel](https://news.typo3.com/article/author/helmut-hummel) **Component Type:** Third party extension. This extension is not a part of the TYPO3 default installation. **Affected Versions:** Version 1.3.0 and below **Vulnerability Types:** Cross-Site Scripting **Severity:** Medium **Suggested CVSS v2.0:** [AV:N/AC:M/Au:S/C:P/I:C/A:N/E:U/RL:OF/RC:C](http://jvnrss.ise.chuo-u.ac.jp/jtg/cvss/cvss2.cgi?vector=%28AV:N/AC:L/Au:N/C:P/I:C/A:N/E:U/RL:OF/RC:C%29&g=2&lang=en "CVSS calculator") ([What's that?](http://buzz.typo3.org/teams/security/article/use-of-common-vulnerability-scoring-system-in-typo3-security-advisories/ "Blog post on CVSS usage")) **Release Date:** 25.08.2011 **Problem Description:** Failing to properly sanitize user input, pbsurvey is susceptible to Cross Site Scripting. **Solution:** An updated version 1.3.1 is available from the TYPO3 extension manager and at[typo3.org/extensions/repository/view/pbsurvey/1.3.1/](http://typo3.org/extensions/repository/view/pbsurvey/1.3.1/). **Credits:** Thanks to Security Team Member Georg Ringer who discovered and reported this issue. **General advice:** Follow the recommendations that are given in the [TYPO3 Security Cookbook](http://typo3.org/teams/security/security-bulletins/typo3-extensions/fileadmin/security-team/typo3_security_cookbook_v-0.5.pdf "Initiates file download"). Please subscribe to the[typo3-announce mailing list](http://lists.typo3.org/cgi-bin/mailman/listinfo/typo3-announce "Opens external link in new window") to receive future Security Bulletins via E-mail. ![](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)