CVE-2025-8902
📋 TL;DR
The Widget Options - Extended WordPress plugin has a stored XSS vulnerability in all versions up to 5.2.1. Authenticated attackers with contributor-level access or higher can inject malicious scripts via the 'do_sidebar' shortcode, which execute when users view affected pages. This affects all WordPress sites using vulnerable versions of this plugin.
💻 Affected Systems
- Widget Options - Extended 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 administrator credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers with contributor access inject malicious scripts to steal user session cookies or display unwanted content on public pages.
If Mitigated
With proper access controls and input validation, impact is limited to unauthorized content modification within contributor privileges.
🎯 Exploit Status
Requires authenticated access (contributor or higher) and ability to create/edit posts/pages with shortcodes.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 5.2.2 or later
Vendor Advisory: https://widget-options.com/changelog/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Widget Options - Extended'. 4. Click 'Update Now' if available, or manually update to version 5.2.2+. 5. Verify update completes successfully.
🔧 Temporary Workarounds
Remove Contributor Access
allTemporarily restrict contributor-level access until patch is applied
Disable Plugin
allDeactivate Widget Options - Extended plugin if not essential
🧯 If You Can't Patch
- Implement strict user role management and review all contributor accounts
- Add WAF rules to block XSS payloads in shortcode attributes
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Widget Options - Extended version 5.2.1 or earlierCheck Version:
wp plugin list --name='Widget Options - Extended' --field=versionVerify Fix Applied:
Confirm plugin version is 5.2.2 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual shortcode modifications in post/page edits
- Multiple failed login attempts followed by successful contributor login
Network Indicators:
- Suspicious JavaScript payloads in HTTP POST requests to wp-admin
SIEM Query:
source="wordpress.log" AND ("do_sidebar" OR "widget-options") AND ("script" OR "javascript" OR "onerror")