Cross-site scripting in vBulletin - CVE-2014-2021
Published: October 25, 2014 / Updated: February 9, 2022
Vulnerability identifier: #VU41200
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2014-2021
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
Vulnerability allows a remote attacker to perform Cross-site scripting attacks.
An input validation error exists in admincp/apilog.php in vBulletin 4.2.2 and earlier, and 5.0.x through 5.0.5. 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.
Affected software
vBulletin
How to mitigate CVE-2014-2021
Install update from vendor's website.
Links to Public Exploits and PoC-codes
External References
- http://packetstormsecurity.com/files/128691/vBulletin-5.x-4.x-Persistent-Cross-Site-Scripting.html
- http://seclists.org/fulldisclosure/2014/Oct/55
- http://seclists.org/fulldisclosure/2014/Oct/63
- http://www.securityfocus.com/bid/70577
- http://www.securitytracker.com/id/1031000
- https://exchange.xforce.ibmcloud.com/vulnerabilities/97026
- https://github.com/tintinweb/pub/tree/master/pocs/cve-2014-2021