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ID:5717 - Exploit for Stored cross-site scripting in Composr CMS - CVE-2020-8789
ID:5717 - Exploit for Stored cross-site scripting in Composr CMS - CVE-2020-8789
Published: June 17, 2021
Vulnerability identifier: #VU28257
Vulnerability risk: Low
CVE-ID: CVE-2020-8789
CWE-ID: CWE-79
Exploitation vector: Remote access
Vulnerable software:
Composr CMS
Composr CMS
Link to public exploit:
Vulnerability 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 a Usergroup name under the Security configuration. A remote authenticated attacker can 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..