Simple Link Directory through 9.0.4 Stored XSS via Embed Shortcode Attributes
CVE-2026-53742

5.1MEDIUM

Key Information:

Vendor

Quantumcloud

Status
Simple Link Directory
Vendor
CVE Published:
10 June 2026

What is CVE-2026-53742?

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 Version(s)

Simple Link Directory 0 <= 9.0.4

References

https://wordpress.org/plugins/simple-link-directory/
product
https://www.vulncheck.com/advisories/simple-link-director...
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Scott Moore - VulnCheck
.