CVE-2025-67943
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the My auctions allegro WordPress plugin. When users visit a specially crafted URL, the script executes in their browser, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- My auctions allegro free edition 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 session cookies, take over WordPress sites, deface websites, or redirect visitors to malicious sites.
Likely Case
Attackers steal user session cookies or credentials, perform actions as authenticated users, or redirect users to phishing pages.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited and require minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 3.6.32
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'My auctions allegro free edition'. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete the plugin.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with XSS protection rules to block malicious requests.
Input Validation Filter
allImplement server-side input validation to sanitize all user inputs.
🧯 If You Can't Patch
- Disable or remove the My auctions allegro plugin immediately
- Implement Content Security Policy (CSP) headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'My auctions allegro free edition' version 3.6.32 or earlier.Check Version:
wp plugin list --name='my-auctions-allegro-free-edition' --field=versionVerify Fix Applied:
Verify plugin version is greater than 3.6.32 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests with script tags or JavaScript in parameters
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing <script> tags or JavaScript code in URL parameters
- Traffic patterns showing repeated requests to plugin endpoints with encoded payloads
SIEM Query:
source="web_server_logs" AND ("<script>" OR "javascript:" OR "onload=" OR "onerror=") AND uri_path="/wp-content/plugins/my-auctions-allegro-free-edition/"