CVE-2025-11802
📋 TL;DR
The Bulma Shortcodes WordPress plugin has a stored XSS vulnerability in the 'bulma-notification' shortcode's 'type' attribute. Authenticated attackers with contributor-level access or higher can inject malicious scripts that execute when users view compromised pages. This affects all WordPress sites using the plugin up to version 1.0.
💻 Affected Systems
- Bulma Shortcodes 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 steal admin credentials, redirect users to malicious sites, deface websites, or install backdoors for persistent access.
Likely Case
Attackers with contributor accounts inject malicious scripts to steal user session cookies or redirect visitors to phishing pages.
If Mitigated
With proper user access controls and content review, impact is limited to potential defacement of individual posts/pages.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once attacker has contributor privileges.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.1
Vendor Advisory: https://plugins.trac.wordpress.org/browser/bulma-shortcodes/tags/1.0.1/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Bulma Shortcodes' and click 'Update Now'. 4. Verify version shows 1.0.1 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate bulma-shortcodes
Restrict User Roles
allTemporarily remove contributor-level access for untrusted users
🧯 If You Can't Patch
- Implement strict content review process for all posts/pages created by contributors
- Add WAF rules to block XSS payloads in shortcode attributes
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins → Bulma Shortcodes versionCheck Version:
wp plugin get bulma-shortcodes --field=versionVerify Fix Applied:
Verify plugin version is 1.0.1 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual shortcode modifications in post/page edits
- Multiple failed login attempts followed by successful contributor login
Network Indicators:
- Unexpected JavaScript execution from WordPress pages
- External script loading from post content
SIEM Query:
source="wordpress" AND (event="post_edit" AND shortcode="bulma-notification") OR (event="plugin_update" AND plugin="bulma-shortcodes")