CVE-2026-1581
📋 TL;DR
The wpForo Forum plugin for WordPress has a time-based SQL injection vulnerability in the 'wpfob' parameter that allows unauthenticated attackers to execute arbitrary SQL queries. This can lead to extraction of sensitive data like user credentials, emails, and other database contents. All WordPress sites using wpForo Forum versions up to 2.4.14 are affected.
💻 Affected Systems
- wpForo Forum 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
Complete database compromise including administrator credentials, user emails, password hashes, and private forum content leading to full site takeover.
Likely Case
Extraction of user data, email addresses, and potentially password hashes that could be cracked offline.
If Mitigated
Limited information disclosure if database permissions are properly restricted and sensitive data is encrypted.
🎯 Exploit Status
Time-based SQL injection requires no authentication and has public proof-of-concept available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.4.15 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3459801/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find wpForo Forum and click 'Update Now'. 4. Verify version is 2.4.15 or higher.
🔧 Temporary Workarounds
Disable wpForo Plugin
allTemporarily disable the vulnerable plugin until patching is possible.
wp plugin deactivate wpforo
Web Application Firewall Rule
allBlock requests containing SQL injection patterns targeting the wpfob parameter.
🧯 If You Can't Patch
- Implement strict network-level access controls to limit who can access the WordPress site.
- Deploy a web application firewall with SQL injection protection rules.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > wpForo Forum version. If version is 2.4.14 or lower, you are vulnerable.Check Version:
wp plugin get wpforo --field=versionVerify Fix Applied:
After updating, verify wpForo Forum version shows 2.4.15 or higher in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in WordPress logs
- Multiple requests with wpfob parameter containing SQL keywords
- Long response times indicating time-based injection
Network Indicators:
- HTTP requests with wpfob parameter containing SQL syntax like SLEEP(), BENCHMARK(), or UNION
SIEM Query:
source="web_logs" AND (uri_query="*wpfob=*SLEEP*" OR uri_query="*wpfob=*BENCHMARK*" OR uri_query="*wpfob=*UNION*")🔗 References
- https://plugins.trac.wordpress.org/browser/wpforo/trunk/classes/Topics.php#L1702
- https://plugins.trac.wordpress.org/browser/wpforo/trunk/wpforo.php#L1077
- https://plugins.trac.wordpress.org/changeset/3459801/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/4c447dbb-f8fb-4b46-9c47-20ab7330bbaa?source=cve
