#VU22793 Stored cross-site scripting in FUDForum - CVE-2019-18839
Published: November 15, 2019 / Updated: February 7, 2021
Vulnerability identifier: #VU22793
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear
CVE-ID: CVE-2019-18839
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
FUDForum
FUDForum
Software vendor:
FUDforum
FUDforum
Description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data passed via the "nlogin" parameter. A remote attacker can permanently inject 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.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.