RSComments component for Joomla! index.php cross-site scripting

rscomments-index-xss (59578) The risk level is classified as MediumMedium Risk

Description:

RSComments component for Joomla! is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the index.php script. A remote attacker could exploit this vulnerability using the website or name parameters to inject malicious script into a Web page which would be executed in a victim's Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 3.7
  Exploitability: High
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of RSComments (Rev 3 or later), available from the RSComments Web site. See References.

References:

  • Offensive Security Exploit Database [06-19-2010]: Joomla Component RSComments 1.0.0 Persistent XSS.
  • RSComments Web site: RSComments! - Joomla! Comments Extension from RSJoomla!.
  • BID-40977: RSComments Joomla! Component Multiple HTML Injection Vulnerabilities
  • CVE-2010-2464: Multiple cross-site scripting (XSS) vulnerabilities in the RSComments (com_rscomments) component 1.0.0 Rev 2 for Joomla! allow remote attackers to inject arbitrary web script or HTML via the (1) website and (2) name parameters to index.php.
  • OSVDB ID: 65726: RSComments Component for Joomla! index.php Multiple Parameter XSS
  • SA40278: Joomla RSComments Component Two Script Insertion Vulnerabilities

Platforms Affected:

  • Joomla! Joomla!
  • RSJoomla RSComments component for Joomla! 1.0

Reported:

Jun 19, 2010

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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