CVE-2025-62099
📋 TL;DR
This CVE describes a missing authorization vulnerability in the Approveme Signature Add-On for Gravity Forms WordPress plugin. It allows attackers to bypass access controls and potentially access or modify signature data they shouldn't have permission to view. This affects all WordPress sites using the vulnerable plugin versions.
💻 Affected Systems
- Approveme Signature Add-On for Gravity Forms
⚠️ 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 access, modify, or delete sensitive signature data from forms, potentially compromising legal documents, contracts, or other signed materials.
Likely Case
Unauthorized viewing of signature data from forms, potentially exposing personal information or signed documents.
If Mitigated
Limited impact with proper network segmentation and additional authentication layers, though the core vulnerability remains.
🎯 Exploit Status
Exploitation requires some level of access but bypasses authorization checks. No public exploit code identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.8.7 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Signature Add-On for Gravity Forms'. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.8.7+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the plugin until patched
wp plugin deactivate gravity-signature-forms-add-on
Restrict plugin access
allUse WordPress roles/capabilities to limit who can access signature functionality
🧯 If You Can't Patch
- Implement additional authentication/authorization layer before signature data access
- Monitor access logs for unusual signature data retrieval patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Signature Add-On for Gravity Forms version. If version is 1.8.6 or earlier, you are vulnerable.Check Version:
wp plugin get gravity-signature-forms-add-on --field=versionVerify Fix Applied:
Verify plugin version is 1.8.7 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual access to signature-related endpoints by unauthorized users
- Multiple failed authorization attempts followed by successful signature data access
Network Indicators:
- HTTP requests to signature endpoints without proper authentication headers
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "signature") AND user_role NOT IN ("administrator","editor")