CVE-2025-58919
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the guihom Wide Banner WordPress plugin that allows attackers to bypass access controls. Attackers could exploit incorrectly configured security levels to perform unauthorized actions. This affects all WordPress sites running Wide Banner plugin versions up to and including 1.0.4.
💻 Affected Systems
- guihom Wide Banner 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 banner content, inject malicious code, or potentially gain administrative access to the WordPress site.
Likely Case
Unauthorized users could modify banner settings, change displayed content, or disrupt site functionality.
If Mitigated
With proper access controls, only authorized administrators can modify banner settings as intended.
🎯 Exploit Status
Exploitation requires understanding of WordPress plugin structure and access control mechanisms.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.0.4
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Wide Banner' plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove plugin.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
WordPressDeactivate the Wide Banner plugin to prevent exploitation while awaiting patch
wp plugin deactivate wide-banner
🧯 If You Can't Patch
- Implement strict network access controls to limit access to WordPress admin interface
- Deploy web application firewall (WAF) rules to detect and block unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for Wide Banner versionCheck Version:
wp plugin get wide-banner --field=versionVerify Fix Applied:
Verify plugin version is greater than 1.0.4 or plugin is removed📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to Wide Banner admin endpoints
- Unexpected modifications to banner settings or content
Network Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with wide-banner actions
SIEM Query:
source="wordpress.log" AND ("wide-banner" OR "wide_banner") AND ("admin" OR "ajax") AND status=200 AND user_role!=administrator