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CVE Vulnerability Database
Vulnerability Database/CVE-2025-58857

CVE-2025-58857: Table of Content Plugin XSS Vulnerability

CVE-2025-58857 is a stored cross-site scripting flaw in KaizenCoders Table of Content plugin affecting versions up to 1.5.3.1. Attackers can inject malicious scripts into web pages. This article covers technical details, affected versions, impact, and mitigation strategies.

Published: April 22, 2026

CVE-2025-58857 Overview

CVE-2025-58857 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the KaizenCoders Table of Content WordPress plugin (content-table). The vulnerability stems from improper neutralization of user-supplied input during web page generation, allowing attackers to inject and store malicious scripts that execute in the context of other users' browser sessions.

This Stored XSS vulnerability is particularly dangerous because the malicious payload persists on the server and executes every time a user accesses the affected page, potentially enabling session hijacking, credential theft, or unauthorized actions on behalf of authenticated users.

Critical Impact

Stored XSS allows attackers to permanently inject malicious scripts into WordPress pages, potentially compromising administrator sessions and enabling full site takeover.

Affected Products

  • KaizenCoders Table of Content (content-table) plugin versions through 1.5.3.1
  • WordPress installations using vulnerable versions of the content-table plugin

Discovery Timeline

  • September 5, 2025 - CVE-2025-58857 published to NVD
  • April 15, 2026 - Last updated in NVD database

Technical Details for CVE-2025-58857

Vulnerability Analysis

This vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation), commonly known as Cross-Site Scripting. The Stored XSS variant is among the most severe forms of XSS because the malicious payload is permanently stored on the target server, typically in a database, and served to every user who views the affected content.

In the context of the Table of Content plugin, user-controlled input is not properly sanitized before being stored and subsequently rendered in the generated table of contents. This allows an attacker to inject arbitrary JavaScript code that will execute in the browser of any user viewing a page with the compromised table of contents.

Root Cause

The root cause of this vulnerability lies in insufficient input validation and output encoding within the Table of Content plugin. When processing content for table of contents generation, the plugin fails to properly sanitize special characters and HTML entities, allowing script tags and event handlers to be stored and rendered without neutralization.

WordPress plugins must implement proper escaping functions such as esc_html(), esc_attr(), and wp_kses() to prevent XSS attacks. The absence or improper implementation of these security controls in versions through 1.5.3.1 enables this stored XSS vulnerability.

Attack Vector

An attacker can exploit this vulnerability by submitting malicious JavaScript code through plugin input fields that are used to generate table of contents entries. The attack requires the ability to create or edit content that the plugin processes, which may be available to authenticated users with contributor-level access or higher.

Once the malicious payload is stored, it executes automatically whenever any user (including administrators) views the page containing the compromised table of contents. This can lead to session token theft, unauthorized administrative actions, defacement, or redirection to malicious sites.

The vulnerability mechanism involves injecting script payloads into content fields processed by the table of contents generator. When the plugin renders the table of contents without proper output encoding, the browser interprets the injected content as executable code rather than display text. For detailed technical information, refer to the Patchstack Vulnerability Report.

Detection Methods for CVE-2025-58857

Indicators of Compromise

  • Unexpected JavaScript code or <script> tags present in database fields related to table of contents entries
  • Unusual outbound network requests from visitor browsers when viewing pages with table of contents
  • Reports of unexpected redirects or pop-ups on pages utilizing the Table of Content plugin
  • Administrator session tokens appearing in external server logs

Detection Strategies

  • Implement Web Application Firewall (WAF) rules to detect and block XSS payloads in plugin input fields
  • Configure Content Security Policy (CSP) headers to restrict script execution sources and report violations
  • Deploy SentinelOne Singularity XDR to monitor for anomalous browser behavior and script injection patterns
  • Regularly scan WordPress database tables for suspicious HTML/JavaScript content in plugin-related fields

Monitoring Recommendations

  • Enable WordPress debug logging to capture plugin errors that may indicate exploitation attempts
  • Monitor HTTP request logs for POST requests to plugin endpoints containing encoded script tags
  • Set up alerts for Content Security Policy violation reports indicating inline script execution attempts
  • Review user activity logs for unexpected content modifications by lower-privileged accounts

How to Mitigate CVE-2025-58857

Immediate Actions Required

  • Update the KaizenCoders Table of Content plugin to a patched version beyond 1.5.3.1 immediately
  • Audit existing table of contents entries in the WordPress database for malicious script content
  • Temporarily disable the plugin if an update is not available and the functionality is not critical
  • Implement strict Content Security Policy headers to mitigate the impact of any stored payloads

Patch Information

Review the Patchstack Vulnerability Report for the latest patch status and remediation guidance from the vendor. Ensure automatic plugin updates are enabled in WordPress to receive security fixes promptly.

Organizations should prioritize updating to a version that addresses this vulnerability as soon as one becomes available from KaizenCoders.

Workarounds

  • Implement a Web Application Firewall with XSS protection rules to filter malicious input before it reaches the plugin
  • Add Content Security Policy headers with script-src 'self' to prevent execution of inline scripts
  • Restrict plugin access to trusted administrator accounts only until a patch is available
  • Consider using an alternative table of contents plugin that has been recently audited for security vulnerabilities
bash
# WordPress .htaccess Content Security Policy configuration
<IfModule mod_headers.c>
    Header set Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline';"
    Header set X-XSS-Protection "1; mode=block"
    Header set X-Content-Type-Options "nosniff"
</IfModule>

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

  • Vulnerability Details
  • TypeXSS

  • Vendor/TechKaizencoders

  • SeverityNONE

  • CVSS ScoreN/A

  • EPSS Probability0.03%

  • Known ExploitedNo
  • Impact Assessment
  • ConfidentialityNone
  • IntegrityNone
  • AvailabilityNone
  • CWE References
  • CWE-79
  • Technical References
  • Patchstack Vulnerability Report
  • Related CVEs
  • CVE-2025-58860: Enable Latex CSRF Vulnerability
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