Improper access control in Visual CSS Style Editor - CVE-2019-11886
Published: September 2, 2019
Vulnerability identifier: #VU20805
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-11886
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in yellow-pencil.php. A remote non-authenticated attacker can perform options update and compromise the website via vulnerable plugin.
Affected software
Visual CSS Style Editor
How to mitigate CVE-2019-11886
Install updates from vendor's website.
Visual CSS Style Editor - update to 7.2.1