CVE-2026-66645
Received Received - Intake

Contributor XSS in Table Of Contents Block <= 1.5.0

Publication date: 2026-08-18

Last updated on: 2026-08-18

Assigner: Patchstack

Description
Contributor Cross Site Scripting (XSS) in Table Of Contents Block <= 1.5.0 versions.

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Meta Information

Published
2026-08-18
Last Modified
2026-08-18
Generated
2026-08-18
AI Q&A
2026-08-18
EPSS Evaluated
N/A
NVD
CVE-2026-66645
EUVD
EUVD-2026-60929

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
patchstack table_of_contents_block to 1.5.0 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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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.

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Executive Summary

This is a Cross Site Scripting (XSS) vulnerability in the WordPress Table Of Contents Block Plugin versions 1.5.0 and below. It allows a privileged user to inject malicious scripts into a website through crafted inputs. These scripts execute when other users visit the site.

Detection Guidance

Check if the Table Of Contents Block plugin version 1.5.0 or below is installed on your WordPress site. Log in to your WordPress admin panel and navigate to Plugins to verify the version.

Impact Analysis

If exploited, attackers could steal user data, deface the website, or perform actions on behalf of users. Visitors may unknowingly execute malicious scripts, leading to compromised sessions or unauthorized access.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR and HIPAA requirements for data protection. Non-compliance may result in legal penalties, reputational damage, and loss of trust.

Mitigation Strategies

Update the Table Of Contents Block plugin to the latest version if available. If no update is available, consider disabling the plugin temporarily or seek help from a hosting provider or web developer to address the issue.

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