CVE-2025-28929
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Tabbed Login Widget WordPress plugin allows attackers to inject malicious scripts into web pages. When exploited, these scripts execute in victims' browsers, potentially stealing credentials or performing unauthorized actions. WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Tabbed Login Widget 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, take over WordPress sites, deface websites, or install backdoors for persistent access.
Likely Case
Attackers steal user session cookies and credentials, potentially compromising user accounts and performing actions on their behalf.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
XSS vulnerabilities are commonly exploited, though specific exploit details for this CVE aren't publicly documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Tabbed Login Widget'. 4. Click 'Update Now' if update available. 5. Alternatively, delete plugin and install fresh version 1.1.3+ from WordPress repository.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate tabbed-login
Content Security Policy
allImplement CSP headers to restrict script execution
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Disable user registration/login features if not essential
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Tabbed Login Widget version. If version is 1.1.2 or earlier, you're vulnerable.
Check Version:
wp plugin get tabbed-login --field=version
Verify Fix Applied:
Verify plugin version is 1.1.3 or later in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to login/widget endpoints
- Suspicious script tags in form submissions
- Multiple failed login attempts from same IP
Network Indicators:
- Malicious script payloads in HTTP requests
- Unexpected redirects to external domains
SIEM Query:
source="wordpress.log" AND ("tabbed-login" OR "login-widget") AND ("<script>" OR "javascript:" OR "onload=" OR "onerror=")