CVE-2026-16559

MEDIUM CVSS 3.1: 6.8 EPSS 0.24%
Updated Aug 11, 2026
Unknown
Parameter Value
CVSS 6.8 (MEDIUM)
Affected Versions before 3.12.9
Type CWE-79 Cross-Site Scripting (XSS), CWE-79 (Cross-Site Scripting (XSS))
Vendor Unknown
Public PoC No

The YMC Filter WordPress plugin before 3.12.9 does not sanitize SVG files uploaded through one of its icon upload features and permits their upload by low-privileged users, allowing users with the Author role and above to upload a file containing JavaScript that executes in the site's origin when the file is viewed.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
High
Admin privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products

unknown:ymc filter