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OpenAdvisories
Medium · 6.8 CVE-2026-83546 EUVD-2026-75957GHSA-mvvr-5rcc-xqpx

CoolClock < 4.3.8 - Contributor+ Stored XSS via Skin Class Attribute

Published Sep 11, 2026 · Updated Sep 11, 2026 · Assigned by WPScan

Description

The CoolClock WordPress plugin before 4.3.8 does not properly escape a skin setting before outputting it within an HTML attribute, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when the content is viewed.

Affected products

VendorProductAffectedFixed
— CoolClock < 4.3.8 4.3.8

References