CVE-2025-28973

6.5 MEDIUM

📋 TL;DR

This path traversal vulnerability in the AA-Team Pro Bulk Watermark WordPress plugin allows attackers to access files outside the intended directory using '.../...//' sequences. It affects WordPress sites running the plugin version 2.0 or earlier. Attackers can potentially read sensitive files on the server.

💻 Affected Systems

Products:
  • AA-Team Pro Bulk Watermark Plugin for WordPress
Versions: n/a through 2.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the vulnerable plugin active. The vulnerability exists in the plugin's file handling functionality.

⚠️ 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

Complete server compromise through reading sensitive configuration files (like wp-config.php containing database credentials), followed by database takeover and potential remote code execution.

🟠

Likely Case

Unauthorized reading of sensitive files including WordPress configuration, plugin files, or server logs, leading to information disclosure and potential credential theft.

🟢

If Mitigated

Limited impact if proper file permissions restrict access to sensitive files and web server is configured to prevent directory traversal.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Path traversal vulnerabilities are typically easy to exploit with simple HTTP requests. No authentication appears to be required based on the CWE-35 classification.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.1 or later

Vendor Advisory: https://patchstack.com/database/wordpress/theme/pro-watermark/vulnerability/wordpress-pro-bulk-watermark-plugin-for-wordpress-2-0-path-traversal-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Pro Bulk Watermark' plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 2.1+ from vendor and replace plugin files via FTP/SFTP.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the Pro Bulk Watermark plugin until patched

wp plugin deactivate pro-bulk-watermark

Web server path restriction

linux

Configure web server to block requests containing path traversal sequences

# For Apache: Add to .htaccess
RewriteCond %{REQUEST_URI} \.\.(/|\.\.) [NC]
RewriteRule .* - [F,L]

# For Nginx: Add to server block
if ($request_uri ~* "\.\.(/|\.\.)") { return 403; }

🧯 If You Can't Patch

  • Remove the Pro Bulk Watermark plugin completely from the WordPress installation
  • Implement web application firewall (WAF) rules to block path traversal patterns

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for 'Pro Bulk Watermark' version 2.0 or earlier

Check Version:

wp plugin get pro-bulk-watermark --field=version

Verify Fix Applied:

Verify plugin version is 2.1 or higher in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests containing '.../...//' sequences in URL parameters
  • Multiple 403/404 errors for unusual file paths
  • Access to files outside wp-content/uploads directory

Network Indicators:

  • HTTP GET requests with encoded path traversal sequences (%2e%2e%2f patterns)
  • Unusual file access patterns from single IP

SIEM Query:

source="web_server_logs" AND (uri="*..*" OR uri="*%2e%2e*") AND response="200"

🔗 References

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