#VU46306 Cross-site scripting in GetSimple CMS - CVE-2020-23839
Published: September 1, 2020 / Updated: June 17, 2021
Vulnerability identifier: #VU46306
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear
CVE-ID: CVE-2020-23839
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
GetSimple CMS
GetSimple CMS
Software vendor:
GetSimple CMS
GetSimple CMS
Description
Vulnerability allows a remote attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in GetSimple CMS v3.3.16, in the admin/index.php login portal webpage,. A remote 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.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.