CVE-2023-47516
📋 TL;DR
This vulnerability in the Stark Digital Category Post List Widget WordPress plugin allows attackers to perform Cross-Site Request Forgery (CSRF) attacks that lead to Stored Cross-Site Scripting (XSS). Attackers can trick authenticated administrators into executing malicious actions that inject persistent scripts into WordPress sites. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Stark Digital Category Post List Widget WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover through administrative account compromise, data theft, malware distribution to visitors, and defacement.
Likely Case
Site defacement, cookie theft from administrators, redirection to malicious sites, and limited data exposure.
If Mitigated
Minimal impact with proper CSRF tokens, content security policies, and input validation in place.
🎯 Exploit Status
Exploitation requires social engineering to trick authenticated users. CSRF to XSS chain is well-documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 2.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Category Post List Widget'. 4. Click 'Update Now' if available. 5. If no update available, deactivate and delete the plugin.
🔧 Temporary Workarounds
Deactivate Plugin
allTemporarily disable the vulnerable plugin until patched version is available.
wp plugin deactivate category-post-list-widget
Implement CSRF Protection
allAdd CSRF tokens to all plugin forms and validate them server-side.
🧯 If You Can't Patch
- Remove plugin entirely and use alternative widget solutions
- Implement strict Content Security Policy (CSP) headers to mitigate XSS impact
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for 'Category Post List Widget' version 2.0 or earlier.Check Version:
wp plugin get category-post-list-widget --field=versionVerify Fix Applied:
Verify plugin version is higher than 2.0 or plugin is removed from installed plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin/admin-ajax.php with plugin-specific actions
- Unexpected script tags in widget content
Network Indicators:
- CSRF attack patterns with missing referrer headers
- XSS payloads in HTTP requests
SIEM Query:
source="wordpress.log" AND ("category-post-list-widget" OR "cp_list_widget") AND (POST OR admin-ajax)🔗 References
- https://patchstack.com/database/vulnerability/category-post-list-widget/wordpress-category-post-list-widget-plugin-2-0-csrf-to-cross-site-scripting-xss-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/category-post-list-widget/wordpress-category-post-list-widget-plugin-2-0-csrf-to-cross-site-scripting-xss-vulnerability?_s_id=cve
