CVE-2025-24581
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Themefic Instantio WordPress plugin that allows attackers to change plugin settings without proper authentication. It affects all versions up to 3.3.7. WordPress sites using vulnerable versions of Instantio are at risk.
💻 Affected Systems
- Themefic Instantio 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 modify critical plugin settings, potentially enabling further attacks, disabling security features, or altering site functionality to serve malicious content.
Likely Case
Unauthorized users could change Instantio plugin settings, potentially affecting site functionality, user experience, or enabling limited privilege escalation.
If Mitigated
With proper access controls and authentication mechanisms, the vulnerability would be prevented, limiting impact to authorized changes only.
🎯 Exploit Status
Exploitation requires understanding of WordPress plugin structure but appears straightforward based on vulnerability description.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 3.3.7
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/instantio/vulnerability/wordpress-instantio-plugin-3-3-7-settings-change-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Instantio plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Instantio Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate instantio
Restrict Admin Access
allLimit WordPress admin access to trusted IP addresses only
# Add to .htaccess or web server config: Order deny,allow
Deny from all
Allow from 192.168.1.0/24
🧯 If You Can't Patch
- Implement strict access controls to WordPress admin interface using IP whitelisting
- Monitor for unauthorized plugin setting changes and implement change detection alerts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Instantio version. If version is 3.3.7 or lower, system is vulnerable.Check Version:
wp plugin get instantio --field=versionVerify Fix Applied:
Verify Instantio plugin version is higher than 3.3.7 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to plugin settings endpoints
- Unexpected changes to Instantio plugin configuration
Network Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with Instantio-related actions
SIEM Query:
source="wordpress.log" AND ("instantio" OR "plugin_settings") AND (action="update" OR action="save")