CVE-2026-25402
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Echo Knowledge Base WordPress plugin that allows attackers to bypass access controls. It affects all versions up to and including 16.011.0, potentially allowing unauthorized access to restricted content or functionality. WordPress sites using this plugin are vulnerable.
💻 Affected Systems
- Echo Knowledge Base for Documentation, FAQs with AI Assistance
⚠️ 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 compromise of sensitive documentation, FAQs, or AI-assisted content, potentially leading to data exposure, content manipulation, or privilege escalation.
Likely Case
Unauthorized viewing or modification of knowledge base content that should be restricted to specific user roles.
If Mitigated
Proper access controls prevent exploitation, maintaining normal role-based access to knowledge base content.
🎯 Exploit Status
Missing authorization vulnerabilities typically require minimal technical skill to exploit once the vulnerability is understood.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 16.011.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Knowledge Base for Documentation, FAQs with AI Assistance'. 4. Click 'Update Now' if available, or manually update to latest version. 5. Verify plugin version is greater than 16.011.0.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Echo Knowledge Base plugin until patched
wp plugin deactivate echo-knowledge-base
Restrict access via web server
allUse web server configuration to restrict access to knowledge base endpoints
# Add to .htaccess for Apache:
<LocationMatch "knowledge-base">
Require all denied
</LocationMatch>
# Add to nginx config:
location ~* /knowledge-base {
deny all;
}
🧯 If You Can't Patch
- Implement strict network segmentation to isolate the WordPress instance
- Deploy a web application firewall (WAF) with rules to detect and block access control bypass attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins, find 'Knowledge Base for Documentation, FAQs with AI Assistance' and verify version is ≤ 16.011.0Check Version:
wp plugin get echo-knowledge-base --field=versionVerify Fix Applied:
Confirm plugin version is greater than 16.011.0 in WordPress admin panel, then test access controls for knowledge base content📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to knowledge base endpoints from unauthorized IPs/users
- 403 errors followed by successful 200 responses to same endpoints
- Access to /wp-content/plugins/echo-knowledge-base/ from unauthenticated users
Network Indicators:
- HTTP requests to knowledge base endpoints without proper authentication headers
- Unusual traffic spikes to plugin-specific URLs
SIEM Query:
source="wordpress.log" AND (uri_path="/knowledge-base" OR uri_path="/wp-content/plugins/echo-knowledge-base/") AND (response_code=200 AND (user="-" OR user="unauthenticated"))