CVE-2025-23510: WordPress Logging Service CSRF Vulnerability

CVE-2025-23510 Overview

CVE-2025-23510 is a Cross-Site Request Forgery (CSRF) vulnerability in the WordPress Logging Service plugin developed by Jan Štětina. This security flaw allows attackers to chain CSRF with Stored Cross-Site Scripting (XSS) attacks, potentially compromising WordPress administrator sessions and enabling persistent malicious script injection within the WordPress dashboard.

Critical Impact

Attackers can exploit this CSRF vulnerability to inject persistent malicious scripts into the WordPress admin interface, potentially leading to complete site compromise, administrator credential theft, or malware distribution to site visitors.

Affected Products

• WordPress Logging Service plugin version 1.5.4 and earlier
• All WordPress installations running vulnerable versions of the wordpress-logging-service plugin

Discovery Timeline

• 2025-01-16 - CVE CVE-2025-23510 published to NVD
• 2026-04-15 - Last updated in NVD database

Technical Details for CVE-2025-23510

Vulnerability Analysis

This vulnerability represents a chained attack scenario where Cross-Site Request Forgery (CSRF) enables Stored Cross-Site Scripting (XSS). The WordPress Logging Service plugin fails to implement proper CSRF token validation on administrative actions, allowing attackers to forge requests that modify plugin settings or inject content.

When combined with insufficient output sanitization, this CSRF weakness enables attackers to store malicious JavaScript code within the plugin's data structures. The stored payload then executes whenever an administrator views the affected logging interface, creating a persistent XSS condition.

The attack requires social engineering an authenticated administrator to visit a malicious webpage while logged into WordPress. The malicious page silently submits a forged request to the vulnerable plugin endpoint, injecting the attacker's script payload.

Root Cause

The root cause of CVE-2025-23510 is the absence of CSRF protection mechanisms (nonce verification) on plugin administrative endpoints, combined with inadequate input sanitization and output encoding. The plugin processes and stores user-controlled data without proper validation, then renders this data without escaping HTML entities or JavaScript characters.

Attack Vector

The attack vector involves crafting a malicious HTML page containing a hidden form that targets the vulnerable WordPress Logging Service endpoint. When an authenticated WordPress administrator visits this page, JavaScript automatically submits the form, causing the victim's browser to send an authenticated request containing malicious XSS payloads. Since the plugin lacks CSRF token validation, it accepts and processes the forged request, storing the attacker's script in the database. Subsequent visits to the logging interface trigger execution of the stored malicious code within the administrator's browser session.

The attacker could leverage this access to create rogue administrator accounts, inject backdoors into theme files, or redirect site visitors to malicious destinations.

Detection Methods for CVE-2025-23510

Indicators of Compromise

• Unexpected JavaScript code or <script> tags present in WordPress Logging Service configuration or log entries
• Unusual administrator account creation or privilege escalation events
• Suspicious outbound network requests originating from WordPress admin pages
• Modified plugin settings without corresponding administrator actions in audit logs

Detection Strategies

• Review WordPress Logging Service database entries for embedded HTML or JavaScript content
• Monitor web server logs for unusual POST requests to plugin endpoints from external referrers
• Implement Content Security Policy (CSP) headers to detect and block unauthorized script execution
• Use WordPress security plugins to scan for stored XSS payloads in plugin data

Monitoring Recommendations

• Enable WordPress audit logging to track all plugin configuration changes
• Configure Web Application Firewall (WAF) rules to detect CSRF and XSS attack patterns
• Monitor for suspicious iframe or form submissions targeting WordPress admin endpoints
• Set up alerts for unexpected changes to WordPress user roles or permissions

How to Mitigate CVE-2025-23510

Immediate Actions Required

• Update the WordPress Logging Service plugin to a patched version if available
• If no patch is available, consider deactivating and removing the wordpress-logging-service plugin until a fix is released
• Audit existing plugin data for signs of stored XSS payloads
• Review WordPress user accounts for unauthorized administrator accounts
• Implement Content Security Policy headers to limit script execution sources

Patch Information

Security details for this vulnerability are documented in the Patchstack Vulnerability Advisory. Website administrators should monitor for plugin updates from the developer and apply patches immediately when available.

Workarounds

• Disable or uninstall the WordPress Logging Service plugin if it is not essential to site operations
• Restrict access to the WordPress admin interface using IP allowlisting or VPN requirements
• Implement a Web Application Firewall with CSRF and XSS detection rules
• Train administrators to avoid clicking links from untrusted sources while logged into WordPress
• Use browser extensions that block cross-origin form submissions

# WordPress plugin deactivation via WP-CLI
wp plugin deactivate wordpress-logging-service

# Verify plugin status
wp plugin list --status=active | grep logging

# Optional: Remove the plugin entirely
wp plugin delete wordpress-logging-service