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CVE-2026-16559

YMC Filter < 3.12.9 - Author+ Stored XSS via SVG Icon Upload

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.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress Ymc Filter
Products
Wordpress Ymc Filter
CVE-2026-16558

YMC Filter < 3.12.8 - Contributor+ Stored XSS via Layout Builder Schema

The YMC Filter WordPress plugin before 3.12.8 does not sanitize and escape a layout builder setting before outputting it on a public endpoint, and does not verify object ownership when the setting is saved, allowing users with the Contributor role and above to store JavaScript that executes in the browser of any visitor viewing an affected filter.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress Ymc Filter
Products
Wordpress Ymc Filter
CVE-2026-10823

YMC Smart Filter < 3.11.3 - Unauthenticated Private/Draft Post Disclosure

The YMC Filter WordPress plugin before 3.11.3 does not properly authorize access to one of its REST API endpoints and does not validate a user-supplied query parameter, allowing unauthenticated attackers to retrieve the titles and content of private, draft, and other non-public posts.

CVSS 3.1 · 7.5 High EPSS 1.5% KEV · Not listed
Vendors
Wordpress Ymc Filter
Products
Wordpress Ymc Filter