CVE-2026-53742

MEDIUM 5.4

Simple Link Directory through 9.0.4 Stored XSS via Embed Shortcode Attributes

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	quantumcloud
Product	simple link directory
Published	Jun 10, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

quantumcloud / Simple Link Directory

0 ≤ 9.0.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordpress.org: https://wordpress.org/plugins/simple-link-directory/ vulncheck.com: https://www.vulncheck.com/advisories/simple-link-directory-through-stored-xss-via-embed-shortcode-attributes

Credits

Scott Moore - VulnCheck