Vulnerability · Published Jun 10, 2026 · Assigned by VulnCheck
CVE-2026-53742Simple Link Directory through 9.0.4 Stored XSS via Embed Shortcode Attributes
Medium 5.4
In plain English
A medium-severity cross-site scripting in Simple Link Directory from quantumcloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.1%top 96.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| quantumcloud | Simple Link Directory | 0 – through 9.0.4 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N