CVE-2025-48154

7.1 HIGH

📋 TL;DR

This vulnerability allows attackers to inject malicious scripts into web pages generated by the LambertGroup 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. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • LambertGroup Multimedia Playlist Slider Addon for WPBakery Page Builder
Versions: All versions up to and including 2.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WPBakery Page Builder plugin to be installed. The vulnerability is in the addon's input handling.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal administrator session cookies, take over WordPress sites, install backdoors, deface websites, or redirect visitors to malicious sites.

🟠

Likely Case

Attackers steal user session cookies, perform actions as authenticated users, or redirect users to phishing pages.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts are neutralized before reaching users.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Reflected XSS typically requires user interaction (clicking a malicious link) but is straightforward to exploit.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 2.1

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/lbg_vp_youtube_vimeo_addon_visual_composer/vulnerability/wordpress-multimedia-playlist-slider-addon-for-wpbakery-page-builder-plugin-2-1-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 'Multimedia Playlist Slider Addon for WPBakery Page Builder'. 4. Click 'Update Now' if update is available. 5. If no update is available, deactivate and delete the plugin.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily deactivate the vulnerable plugin until patched version is available.

wp plugin deactivate lbg_vp_youtube_vimeo_addon_visual_composer

Implement WAF Rules

all

Add web application firewall rules to block XSS payloads targeting this plugin.

🧯 If You Can't Patch

  • Remove the plugin completely and use alternative media player solutions.
  • Implement Content Security Policy (CSP) headers to restrict script execution sources.

🔍 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 earlier.

Check Version:

wp plugin get lbg_vp_youtube_vimeo_addon_visual_composer --field=version

Verify 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 payloads to pages using the playlist slider

Network Indicators:

  • HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads

SIEM Query:

source="wordpress.log" AND ("lbg_vp_youtube_vimeo_addon" OR "playlist-slider") AND ("<script>" OR "javascript:" OR "%3Cscript%3E")

🔗 References

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