CVE-2025-30626
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the Multimedia Playlist Slider Addon for WPBakery Page Builder WordPress plugin. When users visit pages containing the malicious scripts, attackers can steal session cookies, redirect users, or perform actions on their behalf. WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Multimedia Playlist Slider Addon for WPBakery Page Builder
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator session cookies, gain full administrative access to the WordPress site, install backdoors, deface the site, or steal sensitive user data.
Likely Case
Attackers steal user session cookies, redirect visitors to malicious sites, or perform limited actions within the user's current session context.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users, preventing any exploitation.
🎯 Exploit Status
Reflected XSS typically requires user interaction (clicking a malicious link) but is straightforward to exploit once the vulnerable parameter is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 2.1
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Multimedia Playlist Slider Addon for WPBakery Page Builder'. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove the plugin.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the plugin until a patch is available or applied
wp plugin deactivate lbg_vp_youtube_vimeo_addon_visual_composer
Implement WAF rules
allAdd web application firewall rules to block XSS payloads targeting this plugin
# Add rule to block script tags in query parameters
# Example for ModSecurity: SecRule ARGS "<script" "id:1001,phase:2,deny"
🧯 If You Can't Patch
- Remove the plugin completely from your WordPress installation
- Implement Content Security Policy (CSP) headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Multimedia Playlist Slider Addon for WPBakery Page Builder' version 2.1 or earlierCheck Version:
wp plugin get lbg_vp_youtube_vimeo_addon_visual_composer --field=versionVerify Fix Applied:
Verify plugin version is higher than 2.1 in WordPress admin panel or check that the plugin is no longer installed📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript code to pages using the playlist slider
- Multiple failed login attempts following suspicious URL visits
Network Indicators:
- HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads
- Outbound connections to unknown domains following visits to site pages
SIEM Query:
source="web_server_logs" AND (uri="*wp-content/plugins/lbg_vp_youtube_vimeo_addon_visual_composer*" AND (query="*<script*" OR query="*javascript:*" OR query="*%3Cscript*"))