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5.4 Medium

CVE-2026-16558 The YMC Filter WordPress plugin before 3.12.8 does not sanitize and escape a layout builder setting before outputting it…

Description

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.

Affected products and versions

Product Affected versions Fixed in
YMC Filter 3.6 3.6.0 → < 3.12.8 3.12.8

Other CVEs of YMC Filter

The 3 CVEs of YMC Filter →
CVE-2026-16559 The YMC Filter WordPress plugin before 3.12.9 does not sanitize SVG files uploaded through one of its icon upload… 6.8 Medium CVE-2026-10823 The YMC Filter WordPress plugin before 3.11.3 does not properly authorize access to one of its REST API endpoints and… 7.5 High
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