Vulnerability identifier: #VU21958
Vulnerability risk: Low
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in systemerrors404.php when processing crafted input that triggers a 404 HTTP status code. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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.
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?