CVE-2011-2509

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.

How to fix CVE-2011-2509

To remediate CVE-2011-2509, upgrade the affected package to a fixed version below.

• —upgrade to 1.6.4 or later

Is CVE-2011-2509 being exploited?

Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• from 0, < 1.6.4

CVSS scores

References (5)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2011-2509
• WEBdeveloper.joomla.org/security/news/352-20110604-xss-vulnerability.html
• WEBwww.openwall.com/lists/oss-security/2011/06/28/4
• WEBwww.openwall.com/lists/oss-security/2011/06/29/12