--- title: "TYPO3-EXT-SA-2013-009: Several vulnerabilities in extension Apache Solr for TYPO3 (solr)" url: "https://news.typo3.com/security/advisory/typo3-ext-sa-2013-009" description: "It has been discovered that the extension \"Apache Solr for TYPO3\" (solr) is vulnerable to Cross-Site Scripting and Insecure Unserialize." 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-2013-009: Several vulnerabilities in extension Apache Solr for TYPO3 (solr) - Security / [TYPO3 Extensions](https://news.typo3.com/article/category/security/typo3-extensions) TYPO3-EXT-SA-2013-009: Several vulnerabilities in extension Apache Solr for TYPO3 (solr) ======================================================================================== 25 September 2013 ![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 "Apache Solr for TYPO3" (solr) is vulnerable to Cross-Site Scripting and Insecure Unserialize. - ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/bbf959d8e683550c90ae922aff9145d8.jpeg)[Marcus Krause](https://news.typo3.com/article/author/marcus-krause) **Release Date:** September 25, 2013 **Bulletin Update:** November 06, 2014 (added CVEs) **Component Type:** Third party extension. This extension is not a part of the TYPO3 default installation. **Affected Versions:** Version 2.8.2 and below **Vulnerability Type:** Cross-Site Scripting and Insecure Unserialize **Severity:** Medium **Suggested CVSS v2.0:** [AV:N/AC:L/Au:N/C:P/I:P/A:N/E:P/RL:O/RC:C](http://jvnrss.ise.chuo-u.ac.jp/jtg/cvss/cvss2.cgi?vector=(AV:N/AC:L/Au:N/C:P/I:P/A:N/E:P/RL:O/RC:C)&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")) **CVE:** CVE-2013-6288 (Insecure unserialize), CVE-2013-6289 (Cross-Site Scripting) **Problem Description:** Failing to properly sanitize user-supplied input the extension is open to Cross-Site Scripting and Insecure Unserialize. **Solution:** An updated version 2.8.3 is available from the TYPO3 extension manager and at [http://typo3.org/extensions/repository/view/solr/2.8.3/](http://typo3.org/extensions/repository/view/solr/2.8.3/ "Opens external link in new window"). Users of the extension are advised to update the extension as soon as possible. **Credits:** Credits go to Gerrit Venema, Michel Tremblay and TYPO3 Security Team Member Georg Ringer who discovered the issues. **General advice:** Follow the recommendations that are given in the [TYPO3 Security Guide](http://docs.typo3.org/typo3cms/SecurityGuide/ "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/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)