CVE-2026-1074
📋 TL;DR
The WP App Bar WordPress plugin has a stored XSS vulnerability that allows unauthenticated attackers to inject malicious scripts into plugin settings. These scripts execute when administrators access the settings page, potentially compromising admin accounts. All WordPress sites using WP App Bar version 1.5 or earlier are affected.
💻 Affected Systems
- WP App Bar 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 gain administrative access to WordPress sites, leading to complete site takeover, data theft, malware distribution, or ransomware deployment.
Likely Case
Attackers hijack admin sessions to modify site content, install backdoors, or redirect visitors to malicious sites.
If Mitigated
With proper input validation and output escaping, the vulnerability is prevented, and admin access remains secure.
🎯 Exploit Status
Exploitation requires sending crafted requests to vulnerable endpoints. No authentication needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.6 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/wp-app-bar/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WP App Bar and click 'Update Now'. 4. Verify version is 1.6 or higher.
🔧 Temporary Workarounds
Disable WP App Bar Plugin
allTemporarily deactivate the vulnerable plugin until patched
wp plugin deactivate wp-app-bar
Apply Web Application Firewall Rules
allBlock requests containing malicious script patterns targeting app-bar-features parameter
🧯 If You Can't Patch
- Remove WP App Bar plugin completely from the WordPress installation
- Implement strict Content Security Policy (CSP) headers to mitigate XSS impact
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for WP App Bar version 1.5 or earlierCheck Version:
wp plugin get wp-app-bar --field=versionVerify Fix Applied:
Confirm WP App Bar version is 1.6 or higher in WordPress plugins list📡 Detection & Monitoring
Log Indicators:
- HTTP POST requests to wp-admin/admin-ajax.php with 'app-bar-features' parameter containing script tags
- Unusual admin user activity following settings page access
Network Indicators:
- Inbound requests with JavaScript payloads in app-bar-features parameter
- Outbound connections from admin interface to suspicious domains
SIEM Query:
source="web_access_logs" AND uri="/wp-admin/admin-ajax.php" AND param="app-bar-features" AND (content="<script" OR content="javascript:")🔗 References
- https://plugins.trac.wordpress.org/browser/wp-app-bar/tags/1.5/includes/class-app-bar-settings.php#L89
- https://plugins.trac.wordpress.org/browser/wp-app-bar/trunk/includes/class-app-bar-settings.php#L89
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9b448712-b989-453f-9acb-5556e01e41a4?source=cve
