CVE-2025-3104

5.3 MEDIUM

📋 TL;DR

The WP STAGING Pro WordPress Backup Plugin has an information disclosure vulnerability that allows unauthenticated attackers to discover outdated plugins on WordPress sites. This affects all WordPress sites using WP STAGING Pro version 6.1.2 or earlier. Attackers can identify vulnerable plugins to target for further exploitation.

💻 Affected Systems

Products:
  • WP STAGING Pro WordPress Backup Plugin
Versions: All versions up to and including 6.1.2
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects both active and inactive plugins. Requires WordPress installation with WP STAGING Pro plugin.

⚠️ 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Attackers identify outdated plugins with known vulnerabilities and chain exploits to gain administrative access, install malware, or compromise the entire WordPress installation.

🟠

Likely Case

Attackers discover outdated plugins and use this reconnaissance to target specific plugin vulnerabilities, potentially leading to privilege escalation or data exposure.

🟢

If Mitigated

Attackers can only identify outdated plugins but cannot exploit them due to proper security controls, limiting impact to information disclosure only.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Simple HTTP request to vulnerable endpoint. No authentication required.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 6.1.3 or later

Vendor Advisory: https://wp-staging.com/wp-staging-pro-changelog/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WP STAGING Pro and click 'Update Now'. 4. Verify update to version 6.1.3 or later.

🔧 Temporary Workarounds

Disable WP STAGING Pro Plugin

all

Temporarily deactivate the vulnerable plugin until patched

wp plugin deactivate wp-staging-pro

Restrict Access via Web Application Firewall

all

Block requests to the vulnerable endpoint

# Add WAF rule to block requests to /wp-admin/admin-ajax.php with action=getOutdatedPluginsRequest

🧯 If You Can't Patch

  • Disable WP STAGING Pro plugin immediately
  • Implement strict network access controls to limit exposure

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin > Plugins > Installed Plugins for WP STAGING Pro version 6.1.2 or earlier

Check Version:

wp plugin get wp-staging-pro --field=version

Verify Fix Applied:

Verify WP STAGING Pro is updated to version 6.1.3 or later in WordPress plugins list

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests to /wp-admin/admin-ajax.php with action=getOutdatedPluginsRequest from unauthenticated users
  • Multiple plugin enumeration attempts

Network Indicators:

  • Unusual spikes in requests to WordPress admin-ajax.php endpoint
  • Patterns of plugin enumeration

SIEM Query:

source="web_logs" AND uri="/wp-admin/admin-ajax.php" AND params.action="getOutdatedPluginsRequest" AND user="-"

🔗 References

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