CVE-2025-25104

7.1 HIGH

📋 TL;DR

A Cross-Site Request Forgery (CSRF) vulnerability in the mraliende URL-Preview-Box WordPress plugin allows attackers to trick authenticated administrators into performing unintended actions. This affects all WordPress sites using URL-Preview-Box plugin versions up to 1.20. Successful exploitation could lead to stored XSS attacks.

💻 Affected Systems

Products:
  • mraliende URL-Preview-Box WordPress plugin
Versions: All versions up to and including 1.20
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled and an authenticated administrator to be tricked into visiting a malicious page.

⚠️ 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 inject malicious JavaScript that executes in visitors' browsers, potentially stealing session cookies, redirecting users to malicious sites, or performing actions on behalf of authenticated users.

🟠

Likely Case

Attackers create phishing pages that trick administrators into changing plugin settings or injecting malicious content that affects site visitors.

🟢

If Mitigated

With proper CSRF tokens and same-origin policies, the vulnerability would be blocked, preventing unauthorized actions.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires social engineering to trick authenticated users into visiting malicious pages. No authentication bypass is needed beyond the initial user session.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 1.20

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/good-url-preview-box/vulnerability/wordpress-url-preview-box-plugin-1-20-csrf-to-stored-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'URL-Preview-Box' and click 'Update Now' if available. 4. If no update is available, deactivate and delete the plugin, then install the latest version from WordPress repository.

🔧 Temporary Workarounds

Implement CSRF Protection

all

Add CSRF tokens to all plugin forms and AJAX requests

Requires custom code modification - not recommended for non-developers

🧯 If You Can't Patch

  • Deactivate and remove the URL-Preview-Box plugin immediately
  • Implement strict Content Security Policy (CSP) headers to mitigate potential XSS impact

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for URL-Preview-Box version 1.20 or earlier

Check Version:

wp plugin list --name=url-preview-box --field=version

Verify Fix Applied:

Verify plugin version is higher than 1.20 or plugin is completely removed

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to wp-admin/admin-ajax.php with plugin-specific actions
  • Multiple failed CSRF validation attempts

Network Indicators:

  • Cross-origin requests to plugin endpoints without proper referrer headers

SIEM Query:

source="wordpress.log" AND ("url-preview-box" OR "mraliende") AND (POST OR admin-ajax)

🔗 References

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