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CVE-2011-2509

4.3 · MEDIUM

Multiple cross-site scripting (XSS) vulnerabilities in Joomla!

Published Jul 27, 2011joomlaCWE-79EPSS 1.09%

Overview

CVE-2011-2509 is a medium-severity vulnerability affecting joomla joomla\!. It was published on July 27, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.6.4 allow remote attackers to inject arbitrary web script or HTML via (1) the query string to the com_contact component, as demonstrated by the Itemid parameter to index.php; (2) the query string to the com_content component, as demonstrated by the filter_order parameter to index.php; (3) the query string to the com_newsfeeds component, as demonstrated by an arbitrary parameter to index.php; or (4) the option parameter in a reset.request action to index.php; and, when Internet Explorer or Konqueror is used, (5) allow remote attackers to inject arbitrary web script or HTML via the searchword parameter in a search action to index.php in the com_search component.

Remediation

Check the references section for vendor advisories and patches from joomla. Update joomla\! to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
joomlajoomla\!0Affected

References

Refdeveloper.joomla.org/security/news/352-20110604-xss-vulnerability.htmlRefwww.openwall.com/lists/oss-security/2011/06/28/4Refwww.openwall.com/lists/oss-security/2011/06/29/12Refyehg.net/lab/pr0js/advisories/joomla/core/%5Bjoomla_1.6.3%5D_cross_site_scripting%28XSS%29Refdeveloper.joomla.org/security/news/352-20110604-xss-vulnerability.htmlRefwww.openwall.com/lists/oss-security/2011/06/28/4Refwww.openwall.com/lists/oss-security/2011/06/29/12Refyehg.net/lab/pr0js/advisories/joomla/core/%5Bjoomla_1.6.3%5D_cross_site_scripting%28XSS%29

How CyberStrike helps

Frequently asked questions

What is CVE-2011-2509?

CVE-2011-2509 is a medium-severity vulnerability affecting joomla joomla\!. It was published on July 27, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2011-2509?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-2509?

Check the references section for vendor advisories and patches from joomla. Update joomla\! to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-2509?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-2509 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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