CVE-2025-23854
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in YesStreaming.com's Shoutcast and Icecast HTML5 Web Radio Player WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the injected scripts, the attacker can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Shoutcast and Icecast HTML5 Web Radio Player by YesStreaming.com
⚠️ 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, install backdoors, deface websites, or redirect visitors to malicious sites.
Likely Case
Attackers steal user session cookies, 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.
🎯 Exploit Status
Stored XSS typically requires some level of user interaction or content submission capability, but exploitation is straightforward once the vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Shoutcast and Icecast HTML5 Web Radio Player by YesStreaming.com'. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 3.4+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the plugin until patched
wp plugin deactivate shoutcast-and-icecast-html5-web-radio-player-by-yesstreaming-com
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
- Remove the plugin entirely and use alternative streaming solutions
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Shoutcast and Icecast HTML5 Web Radio Player by YesStreaming.com' versionCheck Version:
wp plugin get shoutcast-and-icecast-html5-web-radio-player-by-yesstreaming-com --field=versionVerify Fix Applied:
Confirm plugin version is 3.4 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints
- Suspicious script tags in form submissions
- Multiple failed XSS attempts in web server logs
Network Indicators:
- Malicious script payloads in HTTP requests
- Unexpected redirects from plugin pages
- Suspicious iframe or script injections
SIEM Query:
source="web_server" AND ("shoutcast" OR "icecast" OR "yesstreaming") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")