What’s Vulnerable › Vulnerabilities
CVE-2026-16559: YMC Filter < 3.12.9 - Author+ Stored XSS via SVG Icon Upload
- Severity: medium (CVSS 6.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-08 · updated 2026-08-26
- Weakness: CWE-79
Description
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.
Affected products
- YMC Filter: before 3.12.9 — fixed in 3.12.9
How to fix
Upgrade to a fixed version: YMC Filter 3.12.9. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-16559 or the next vulnerability affects your stack