CVE-2026-16535

Deferred Deferred - Pending Action

Reflected Cross-Site Scripting in Link Library WordPress Plugin

Publication date: 2026-08-08

Last updated on: 2026-08-26

Assigner: WPScan

Description

The Link Library WordPress plugin before 7.9.4 does not sanitise and escape a parameter before reflecting it back in a response, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting attacks against users who can be tricked into performing an action.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-08

Last Modified

2026-08-26

Generated

2026-08-28

AI Q&A

2026-08-08

EPSS Evaluated

2026-08-27

NVD

CVE-2026-16535

EUVD

EUVD-2026-54732

Affected Vendors & Products

Vendor	Product	Version / Range
link_library	link_library	to 7.9.4 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This is a Reflected Cross-Site Scripting (XSS) vulnerability in the Link Library WordPress plugin versions before 7.9.4. It occurs because the plugin does not properly sanitize and escape a parameter called 'likelabel' in the Thumbs-Rating feature. Attackers can exploit this to inject malicious scripts into web pages.

Detection Guidance

To detect this vulnerability, check if your WordPress site uses the Link Library plugin version 7.9.4 or below. Inspect the plugin files for the 'likelabel' parameter in the Thumbs-Rating feature. Look for unsanitized input handling in the plugin code.

Impact Analysis

Unauthenticated attackers can trick users into performing an action that triggers the malicious script. This could lead to theft of session cookies, account takeover, or defacement of the website. Users viewing infected pages may have their data compromised without realizing it.

Compliance Impact

This vulnerability could lead to data breaches, which may violate GDPR and HIPAA requirements for protecting user data. Organizations using the vulnerable plugin may face legal penalties, fines, and reputational damage if user data is compromised through this exploit.

Mitigation Strategies

Immediately update the Link Library plugin to version 7.9.4 or later. If updating is not possible, disable the plugin until a patch is applied. Monitor for unusual activity or unauthorized script injections in web pages.

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