CVE-2025-8091
📋 TL;DR
The EventON Lite WordPress plugin versions up to 2.4.6 contain an information exposure vulnerability that allows unauthenticated attackers to access password-protected, private, or draft posts through shortcode functionality. This affects all WordPress sites using vulnerable versions of the plugin, potentially exposing sensitive content that should remain restricted.
💻 Affected Systems
- EventON Lite 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Attackers extract sensitive information from protected posts, potentially exposing confidential business data, unpublished content, or personal information that could lead to reputational damage or regulatory violations.
Likely Case
Unauthenticated users access draft posts or password-protected content they shouldn't see, potentially revealing upcoming announcements, unpublished articles, or internal communications.
If Mitigated
With proper access controls and monitoring, impact is limited to exposure of non-critical protected content that gets detected and addressed quickly.
🎯 Exploit Status
Exploitation requires crafting specific shortcode requests but doesn't require authentication or advanced technical skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.4.7 or later
Vendor Advisory: https://wordpress.org/plugins/eventon-lite/
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find EventON Lite plugin
4. Click 'Update Now' if update available
5. Alternatively, download version 2.4.7+ from WordPress repository and manually update
🔧 Temporary Workarounds
Disable vulnerable shortcodes
allRemove or disable the add_single_eventon and add_eventon shortcodes from posts/pages
Temporarily deactivate plugin
allDeactivate EventON Lite plugin until patched version can be installed
🧯 If You Can't Patch
- Implement web application firewall rules to block suspicious shortcode parameter patterns
- Add authentication requirements for pages using EventON shortcodes
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → EventON Lite → Version number. If version is 2.4.6 or lower, you are vulnerable.Check Version:
wp plugin list --name=eventon-lite --field=versionVerify Fix Applied:
After updating, verify plugin version shows 2.4.7 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual shortcode usage patterns in WordPress logs
- Multiple requests to posts with 'eventon' parameters from single IPs
Network Indicators:
- HTTP requests containing 'add_single_eventon' or 'add_eventon' parameters with post IDs
SIEM Query:
web_requests WHERE url CONTAINS 'add_single_eventon' OR url CONTAINS 'add_eventon'🔗 References
- https://plugins.trac.wordpress.org/browser/eventon-lite/trunk/includes/calendar/class-calendar_generator.php#L954
- https://plugins.trac.wordpress.org/browser/eventon-lite/trunk/includes/class-event.php#L39
- https://plugins.trac.wordpress.org/browser/eventon-lite/trunk/includes/class-evo-shortcodes.php#L32
- https://plugins.trac.wordpress.org/browser/eventon-lite/trunk/includes/class-evo-shortcodes.php#L81
- https://wordpress.org/plugins/eventon-lite/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/421fcee2-a05d-4486-837e-ddee3d73d737?source=cve
