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Medium · 5.4 CVE-2026-53742 EUVD-2026-36143GHSA-w47h-mhf5-ch25

Simple Link Directory through 9.0.4 Stored XSS via Embed Shortcode Attributes

Published Jun 10, 2026 · Updated Jun 11, 2026 · Assigned by VulnCheck

Description

Simple Link Directory through 9.0.4 echoes embed shortcode attributes into HTML data attributes without escaping in the embedder template. Attackers with contributor access can craft a shortcode attribute that injects an event handler executing in a viewer's browser.

Affected products

VendorProductAffectedFixed
quantumcloud Simple Link Directory ≤ 9.0.4 —

References