CVE-2026-53742

Simple Link Directory through 9.0.4 Stored XSS via Embed Shortcode Attributes

State: Published
Severity: 5.1 Medium
Published: Jun 10, 2026
Updated: Jun 11, 2026
Reserved: Jun 10, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N	VulnCheck
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	VulnCheck

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
Simple Link Directoryquantumcloud	9.0.4 and earlierAffected

References

WordPress Plugin Repositoryproduct
VulnCheck Advisory: Simple Link Directory through 9.0.4 Stored XSS via Embed Shortcode Attributesthird-party-advisory

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