Cross-site scripting in WordPress - CVE-2011-4956
Published: June 28, 2012 / Updated: November 1, 2020
Vulnerability identifier: #VU43930
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2011-4956
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WordPress.ORG
Affected software:
WordPress
WordPress
Detailed vulnerability description
Vulnerability allows a remote attacker to perform Cross-site scripting attacks.
An input validation error exists in WordPress before 3.1.1. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
How to mitigate CVE-2011-4956
Install update from vendor's website.
Sources
- http://secunia.com/advisories/44038
- http://secunia.com/advisories/49138
- http://wordpress.org/news/2011/04/wordpress-3-1-1/
- http://www.debian.org/security/2012/dsa-2470
- http://www.openwall.com/lists/oss-security/2012/04/19/17
- http://www.openwall.com/lists/oss-security/2012/04/19/6
- http://www.osvdb.org/72141