Cross-site scripting in CMS Made Simple - CVE-2017-7256

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Main Vulnerability Database Vulnerabilities #VU39384

Cross-site scripting in CMS Made Simple - CVE-2017-7256

Published: March 24, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU39384
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7256
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: cmsmadesimple.org
Affected software:
CMS Made Simple

Detailed vulnerability description

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists in "the CMS Made Simple (CMSMS) 2.1.6 "Content-->News-->Add Article" feature" due to insufficient sanitization of user-supplied data passed via the m1_summary parameter. Someone must login to conduct the attack. 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.


How to mitigate CVE-2017-7256

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources