CVE-2025-13989
📋 TL;DR
The WP Dropzone WordPress plugin has a stored XSS vulnerability that allows authenticated attackers with Contributor access or higher to inject malicious JavaScript into website pages. When users visit compromised pages, the injected scripts execute in their browsers, potentially stealing session cookies or performing unauthorized actions. This affects all versions up to and including 1.1.1.
💻 Affected Systems
- WP Dropzone WordPress 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.
- 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 could steal administrator credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Session hijacking, credential theft, or defacement of vulnerable WordPress sites.
If Mitigated
Limited impact if proper input validation and output escaping are implemented, or if the plugin is disabled.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once an attacker has Contributor privileges. The vulnerability is in publicly available code.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check WordPress plugin repository for version > 1.1.1
Vendor Advisory: https://wordpress.org/plugins/wp-dropzone/
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find WP Dropzone plugin
4. Click 'Update Now' if update available
5. If no update, deactivate and delete the plugin
🔧 Temporary Workarounds
Disable WP Dropzone Plugin
allTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate wp-dropzone
Remove Contributor Role Access
allRestrict plugin access to only trusted administrators
🧯 If You Can't Patch
- Disable the WP Dropzone plugin immediately
- Implement web application firewall rules to block suspicious callback parameter values
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for WP Dropzone version ≤ 1.1.1Check Version:
wp plugin get wp-dropzone --field=versionVerify Fix Applied:
Verify plugin version is > 1.1.1 or plugin is deactivated/removed📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress with callback parameters containing JavaScript
- Multiple failed login attempts followed by successful Contributor login
Network Indicators:
- HTTP requests with suspicious callback parameters in query strings or POST data
SIEM Query:
source="wordpress" AND (url="*callback=*" OR post_data="*callback=*") AND (url="*<script*" OR post_data="*<script*")🔗 References
- https://plugins.trac.wordpress.org/browser/wp-dropzone/tags/1.1.1/includes/class-plugin.php#L303
- https://plugins.trac.wordpress.org/browser/wp-dropzone/tags/1.1.1/js/wp-dropzone.js#L86
- https://plugins.trac.wordpress.org/browser/wp-dropzone/trunk/includes/class-plugin.php#L303
- https://plugins.trac.wordpress.org/browser/wp-dropzone/trunk/js/wp-dropzone.js#L86
- https://www.wordfence.com/threat-intel/vulnerabilities/id/23953909-4836-4226-b00b-eb0e24cc3ad7?source=cve
