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vendor:
WHMCS
by:
SecurityFocus
7,5
CVSS
HIGH
Authentication Bypass
287
CWE
Product Name: WHMCS
Affected Version From: 5.0
Affected Version To: 5.1
Patch Exists: YES
Related CWE: N/A
CPE: whmcs
Metasploit: N/A
Other Scripts: N/A
Tags: N/A
CVSS Metrics: N/A
Nuclei References: N/A
Nuclei Metadata: N/A
Platforms Tested: N/A
2013

WHMCS Authentication Bypass Vulnerability

WHMCS is prone to an authentication-bypass vulnerability because it fails to adequately verify user-supplied input used for cookie-based authentication. Attackers can exploit this vulnerability to gain administrative access to the affected application, which may aid in further attacks.

Mitigation:

Ensure that user-supplied input is properly validated and sanitized before being used for authentication.
Source

Exploit-DB raw data:

source: https://www.securityfocus.com/bid/57145/info

WHMCS is prone to an authentication-bypass vulnerability because it fails to adequately verify user-supplied input used for cookie-based authentication.

Attackers can exploit this vulnerability to gain administrative access to the affected application, which may aid in further attacks.

WHMCS 5.0 and 5.1 are vulnerable; other versions may also be affected. 

http://www.example.com/whmcs/admin/login.php?correct&cache=1?login=getpost{}