CVE-2025-1672
📋 TL;DR
The Notibar WordPress plugin has a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts into website pages. This affects WordPress multi-site installations and sites where unfiltered_html capability is disabled. When users visit compromised pages, the injected scripts execute in their browsers.
💻 Affected Systems
- Notibar – Notification Bar for WordPress
⚠️ 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
Administrator account compromise leading to complete site takeover, data theft, credential harvesting, and malware distribution to site visitors.
Likely Case
Limited privilege escalation within WordPress, session hijacking of other administrators, defacement, or data exfiltration from logged-in users.
If Mitigated
No impact if proper access controls prevent unauthorized administrator access and input validation is enforced.
🎯 Exploit Status
Requires administrator-level WordPress credentials. Exploitation involves injecting scripts through plugin admin settings.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.1.6
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3246799/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Notibar – Notification Bar' and click 'Update Now'. 4. Verify version shows 2.1.6 or higher.
🔧 Temporary Workarounds
Disable unfiltered_html capability
allEnable unfiltered_html capability for administrators to prevent exploitation (this is the condition that makes the vulnerability exploitable).
Add to wp-config.php: define('DISALLOW_UNFILTERED_HTML', false);
Deactivate plugin
linuxTemporarily disable the Notibar plugin until patched.
wp plugin deactivate notibar
🧯 If You Can't Patch
- Remove administrator access from untrusted users
- Implement web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Notibar version. If version is 2.1.5 or lower and unfiltered_html is disabled, you are vulnerable.Check Version:
wp plugin list --name=notibar --field=versionVerify Fix Applied:
Verify Notibar plugin version shows 2.1.6 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual administrator activity in WordPress logs
- Multiple plugin setting changes in short timeframe
- Script tags in plugin configuration data
Network Indicators:
- Unexpected JavaScript loading from WordPress admin pages
- Suspicious outbound connections from admin interface
SIEM Query:
source="wordpress" AND (event="plugin_edit" OR event="option_update") AND plugin="notibar"