Elgg index.php cross-site scripting

elgg-index-xss (75756) The risk level is classified as MediumMedium Risk


Elgg 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 view parameter in a specially-crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.


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


Gain Access


Upgrade to the latest version of Elgg (1.8.5 or later), available from the Elgg Web site. See References.


  • Elgg Web Site: Elgg - Open Source Social Networking Engine..
  • Elgg Web Site: Elgg 1.8.5 Released.
  • BID-53623: Elgg Cross Site Scripting and Multiple Security Bypass Vulnerabilities
  • CVE-2012-6561: Cross-site scripting (XSS) vulnerability in engine/lib/views.php in Elgg before 1.8.5 allows remote attackers to inject arbitrary web script or HTML via the view parameter to index.php. NOTE: some of these details are obtained from third party information.
  • SA49129: Elgg Cross-Site Scripting and Security Bypass Vulnerabilities

Platforms Affected:

  • Elgg Elgg 1.8.4


May 19, 2012

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 the author/distributor (IBM Internet Security Systems X-Force) 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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