Cross-site scripting in Yunucms - CVE-2018-9993

 

Cross-site scripting in Yunucms - CVE-2018-9993

Published: April 10, 2018 / Updated: September 6, 2018


Vulnerability identifier: #VU14659
CSH Severity: Low
CVSS v4.0: 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:U/U:Clear
CVE-ID: CVE-2018-9993
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Yunucms
Affected software:
Yunucms

Detailed vulnerability description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error passed via the content title on an "admin/content/addcontent/cid/" page. A remote attacker can trick the victim to follow a specially 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.


How to mitigate CVE-2018-9993

Install update from vendor's website.

Sources