CVE-2025-39404
📋 TL;DR
This CVE describes an open redirect vulnerability in the Heateor Support Sassy Social Share WordPress plugin. Attackers can craft malicious URLs that redirect users to phishing sites when they click on social sharing links. WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Heateor Support Sassy Social Share 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
Users are redirected to convincing phishing sites that steal credentials, payment information, or install malware, leading to account compromise, financial loss, or system infection.
Likely Case
Users are redirected to phishing pages attempting to steal WordPress admin credentials or other sensitive information through social engineering.
If Mitigated
Users might see unexpected redirects but modern browsers may warn about suspicious redirects, and security-conscious users may notice the URL change.
🎯 Exploit Status
Exploitation requires no authentication and involves simple URL manipulation. Public proof-of-concept details are available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.3.74 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Sassy Social Share'. 4. Click 'Update Now' if available. 5. Alternatively, download version 3.3.74+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Sassy Social Share plugin until patched.
wp plugin deactivate sassy-social-share
Web Application Firewall Rule
allBlock redirects to external domains from the plugin's endpoints.
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to restrict redirects
- Use web application firewall to monitor and block suspicious redirect patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Sassy Social Share version. If version is 3.3.73 or earlier, you are vulnerable.Check Version:
wp plugin get sassy-social-share --field=versionVerify Fix Applied:
Verify plugin version is 3.3.74 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- HTTP 302 redirects from /wp-content/plugins/sassy-social-share/ to external domains
- Unusual referrer patterns in access logs
Network Indicators:
- Redirects from your domain to unexpected external sites via social sharing links
SIEM Query:
source="web_logs" AND (url_path="/wp-content/plugins/sassy-social-share/*" AND status=302 AND destination_domain!=your_domain)