CVE-2025-27327
📋 TL;DR
This DOM-based Cross-Site Scripting (XSS) vulnerability in the SRS Player WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. It affects all WordPress sites using the Live Streaming Video Player plugin versions up to 1.0.18. Successful exploitation could lead to session hijacking, credential theft, or website defacement.
💻 Affected Systems
- Live Streaming Video Player – by SRS Player 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 the WordPress site, install backdoors, or redirect visitors to malicious sites, potentially compromising the entire web server.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, perform actions on behalf of authenticated users, or deface the website with malicious content.
If Mitigated
With proper input validation and output encoding, the vulnerability would be prevented, and impact would be limited to failed exploitation attempts.
🎯 Exploit Status
DOM-based XSS typically requires user interaction but can be exploited through crafted links or forms.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.19 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Live Streaming Video Player – by SRS Player'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 1.0.19+ from WordPress.org and replace the plugin files.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the SRS Player plugin until patched
wp plugin deactivate srs-player
Implement Content Security Policy
allAdd CSP headers to restrict script execution
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_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 the SRS Player plugin entirely and use alternative video players
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for SRS Player version ≤1.0.18Check Version:
wp plugin get srs-player --field=versionVerify Fix Applied:
Verify plugin version is 1.0.19 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual JavaScript in URL parameters
- Multiple failed XSS attempts in web server logs
- Suspicious user-agent strings containing script tags
Network Indicators:
- HTTP requests containing <script> tags in parameters
- Unusual outbound connections after page loads
SIEM Query:
source="web_server" AND ("<script" OR "javascript:" OR "onerror=" OR "onload=")