CVE-2025-49423
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the Bulk YouTube Post Creator 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
- Bulk YouTube Post Creator 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 install backdoors for persistent access.
Likely Case
Attackers steal user session cookies, perform phishing attacks, or redirect users to malicious sites.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited and require minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Restart Required: No
Instructions:
1. Remove the Bulk YouTube Post Creator plugin from WordPress. 2. Check for any alternative plugins that provide similar functionality. 3. Monitor for official patches from the plugin developer.
🔧 Temporary Workarounds
Disable Plugin
allDeactivate and remove the vulnerable plugin from WordPress
wp plugin deactivate bulk-youtube-post-creator
wp plugin delete bulk-youtube-post-creator
Web Application Firewall (WAF)
allConfigure WAF rules to block XSS payloads targeting this plugin
🧯 If You Can't Patch
- Disable the plugin immediately
- Implement strict Content Security Policy (CSP) headers
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel for Bulk YouTube Post Creator plugin version 1.0 or earlierCheck Version:
wp plugin list --name=bulk-youtube-post-creator --field=versionVerify Fix Applied:
Confirm plugin is removed or disabled in WordPress plugins list📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript payloads
- Requests to plugin-specific endpoints with suspicious parameters
Network Indicators:
- HTTP requests with encoded script payloads in URL parameters
- Traffic patterns showing repeated attempts to access plugin endpoints
SIEM Query:
source="wordpress.log" AND ("bulk-youtube-post-creator" OR "youtube-post-creator") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")