CVE-2026-1796
📋 TL;DR
The StyleBidet WordPress plugin has a reflected cross-site scripting (XSS) vulnerability that allows unauthenticated attackers to inject malicious scripts via URL parameters. When users click specially crafted links, attackers can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites using StyleBidet version 1.0.0 or earlier are affected.
💻 Affected Systems
- WordPress StyleBidet 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 steal administrator session cookies, gain full control of WordPress site, install backdoors, deface website, or steal sensitive data.
Likely Case
Attackers steal user session cookies, redirect visitors to malicious sites, or perform limited actions within user context.
If Mitigated
With proper web application firewalls and security headers, exploitation attempts are blocked, limiting impact to failed attacks.
🎯 Exploit Status
Exploitation requires social engineering to trick users into clicking malicious links. No authentication required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.1 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/stylebidet/tags/1.0.1/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find StyleBidet plugin. 4. Click 'Update Now' if update available. 5. If no update, deactivate and delete plugin, then install fresh version from WordPress repository.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allConfigure WAF to block XSS payloads in URL parameters
Content Security Policy
allImplement CSP headers to restrict script execution
Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Header set X-Content-Type-Options "nosniff"
🧯 If You Can't Patch
- Deactivate and remove StyleBidet plugin immediately
- Implement strict Content Security Policy headers to mitigate XSS impact
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for StyleBidet version 1.0.0 or earlierCheck Version:
wp plugin list --name=stylebidet --field=versionVerify Fix Applied:
Verify StyleBidet plugin version is 1.0.1 or later in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual long URLs with script tags in access logs
- Multiple failed requests with XSS payload patterns
Network Indicators:
- HTTP requests containing <script> tags in URL parameters
- Requests to StyleBidet plugin endpoints with suspicious parameters
SIEM Query:
source="web_access_logs" AND (url="*<script>*" OR url="*javascript:*" OR url="*onload=*" OR url="*onerror=*") AND url="*stylebidet*"