CVE-2025-28977
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the WP Pipes WordPress plugin, which are then executed in victims' browsers. It affects all WordPress sites using WP Pipes versions up to 1.4.3. Attackers can steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- ThimPress WP Pipes WordPress Plugin
📦 What is this software?
Wp Pipes by Thimpress
⚠️ Risk & Real-World Impact
Worst Case
Attacker steals administrator session cookies, gains full control of WordPress site, installs backdoors, defaces site, or steals sensitive user data.
Likely Case
Attacker steals user session cookies to hijack accounts, redirects users to malicious sites, or performs limited actions within the victim's permissions.
If Mitigated
Script execution is blocked by Content Security Policy (CSP) headers or browser XSS filters, limiting impact to specific browser/configuration combinations.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly weaponized in phishing campaigns and automated attacks. Exploitation requires user interaction (clicking malicious link).
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.4.4 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-pipes/vulnerability/wordpress-wp-pipes-plugin-1-4-3-cross-site-scripting-xss-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WP Pipes plugin. 4. Click 'Update Now' if update available. 5. If no update appears, manually download version 1.4.4+ from WordPress.org and replace plugin files.
🔧 Temporary Workarounds
Disable WP Pipes Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wp-pipes
Implement Content Security Policy
allAdd CSP headers to block inline script execution
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self';"
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) rules to block XSS payloads in request parameters
- Restrict plugin access to trusted users only using WordPress role capabilities
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WP Pipes version. If version is 1.4.3 or earlier, you are vulnerable.
Check Version:
wp plugin get wp-pipes --field=version
Verify Fix Applied:
After updating, verify WP Pipes version shows 1.4.4 or later in WordPress admin plugins list.
📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript code in parameters
- Multiple failed login attempts from same IP after suspicious link clicks
Network Indicators:
- HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads
- Outbound connections to unknown domains after user visits specific URLs
SIEM Query:
source="web_logs" AND (uri="*<script>*" OR uri="*javascript:*" OR params="*%3Cscript%3E*") AND plugin="wp-pipes"