CVE-2026-53742
Simple Link Directory through 9.0.4 Stored XSS via Embed Shortcode Attributes
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.
INFO
Published Date :
June 10, 2026, 10:17 p.m.
Last Modified :
June 10, 2026, 10:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update the embedder template to escape shortcode attributes.
- Sanitize all user-supplied input used in templates.
- Validate attribute values before rendering.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-53742.
| URL | Resource |
|---|---|
| https://wordpress.org/plugins/simple-link-directory/ | |
| https://www.vulncheck.com/advisories/simple-link-directory-through-stored-xss-via-embed-shortcode-attributes |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-53742 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-53742
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-53742 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-53742 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jun. 10, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Added CWE CWE-79 Added Reference https://wordpress.org/plugins/simple-link-directory/ Added Reference https://www.vulncheck.com/advisories/simple-link-directory-through-stored-xss-via-embed-shortcode-attributes