CVE-2026-24561
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the FluentBoards WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. The vulnerability affects all versions up to and including 1.91.1, potentially allowing unauthorized users to access restricted functionality.
💻 Affected Systems
- FluentBoards 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 gain administrative privileges, modify board data, access sensitive information, or disrupt workflow management systems.
Likely Case
Unauthorized users could view, edit, or delete boards and tasks they shouldn't have access to, potentially exposing sensitive project information.
If Mitigated
With proper access controls and authentication mechanisms, impact would be limited to authorized users only accessing their permitted resources.
🎯 Exploit Status
Exploitation requires some level of access but may not require authentication depending on specific misconfiguration.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.91.1
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find FluentBoards and update to latest version. 4. Verify update completed successfully.
🔧 Temporary Workarounds
Disable FluentBoards Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate fluent-boards
Restrict Access via .htaccess
linuxAdd access restrictions to FluentBoards directories
# Add to .htaccess in wp-content/plugins/fluent-boards/
Order Deny,Allow
Deny from all
Allow from 127.0.0.1
🧯 If You Can't Patch
- Implement strict network segmentation to isolate WordPress installation
- Enable detailed logging and monitoring for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > FluentBoards version. If version is 1.91.1 or lower, system is vulnerable.Check Version:
wp plugin get fluent-boards --field=versionVerify Fix Applied:
Verify FluentBoards version is higher than 1.91.1 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to FluentBoards endpoints
- Multiple failed authentication attempts followed by successful access
- Unusual user activity patterns in FluentBoards
Network Indicators:
- Unusual HTTP requests to /wp-content/plugins/fluent-boards/ endpoints
- Requests bypassing normal authentication flows
SIEM Query:
source="wordpress.log" AND ("fluent-boards" OR "fluentboards") AND (status=200 OR status=302) AND user="unauthenticated"