CVE-2025-47689

7.1 HIGH

📋 TL;DR

This vulnerability allows attackers to inject malicious scripts into web pages generated by the Video Blogster Lite WordPress plugin. When users visit a specially crafted URL, their browsers execute the attacker's code, potentially stealing session cookies or redirecting to malicious sites. All WordPress sites using Video Blogster Lite version 1.2 or earlier are affected.

💻 Affected Systems

Products:
  • Video Blogster Lite WordPress Plugin
Versions: n/a through 1.2
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations using vulnerable versions are affected regardless of configuration.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. 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 malware distribution sites.

🟠

Likely Case

Attackers steal user session cookies or credentials, perform actions on behalf of authenticated users, or redirect users to phishing pages.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts are neutralized before reaching users' browsers, preventing execution.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Reflected XSS vulnerabilities are commonly exploited via phishing emails or malicious links. No authentication required to trigger the vulnerability.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.3 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/video-blogster-lite/vulnerability/wordpress-video-blogster-lite-plugin-1-2-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Video Blogster Lite. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install fresh version from WordPress repository.

🔧 Temporary Workarounds

Web Application Firewall (WAF)

all

Deploy a WAF with XSS protection rules to block malicious requests before they reach the vulnerable plugin.

Content Security Policy (CSP)

all

Implement strict CSP headers to prevent execution of inline scripts and restrict script sources to trusted domains only.

Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Header set X-Content-Type-Options "nosniff"
Header set X-Frame-Options "SAMEORIGIN"

🧯 If You Can't Patch

  • Immediately deactivate and remove the Video Blogster Lite plugin from all WordPress installations.
  • Implement network-level filtering to block requests containing suspicious script patterns targeting the vulnerable endpoint.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for Video Blogster Lite version. If version is 1.2 or earlier, system is vulnerable.

Check Version:

wp plugin list --name='Video Blogster Lite' --field=version

Verify Fix Applied:

After updating, verify Video Blogster Lite version shows 1.3 or later in WordPress plugins list. Test with known XSS payloads to confirm they are properly sanitized.

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests containing script tags, javascript: URIs, or encoded payloads in query parameters
  • Unusual GET requests to Video Blogster Lite plugin endpoints with long parameter values

Network Indicators:

  • HTTP requests with suspicious characters in URL parameters (<, >, ", ', &, etc.)
  • Outbound connections to unknown domains following visits to site with crafted URLs

SIEM Query:

source="web_server_logs" AND (url="*video-blogster-lite*" AND (param="*<script>*" OR param="*javascript:*" OR param="*onerror=*" OR param="*onload=*"))

🔗 References

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