CVE-2026-16558

MediumCVSS 5.4/10Last modified Aug 26, 2026

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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 8, 2026
Last modified
Aug 26, 2026
NVD status
Deferred

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CVE-2026-16558: Medium severity, CVSS 5.4 | Vulnix