CVE-2025-0860

6.1 MEDIUM

📋 TL;DR

The VR-Frases WordPress plugin is vulnerable to Reflected Cross-Site Scripting (XSS) that allows unauthenticated attackers to inject malicious scripts via crafted URLs. When users click malicious links, attackers can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites using VR-Frases plugin versions up to 3.0.1 are affected.

💻 Affected Systems

Products:
  • VR-Frases WordPress Plugin
Versions: All versions up to and including 3.0.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in default plugin configuration. Requires WordPress installation with VR-Frases plugin active.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers steal administrator session cookies, gain administrative access to WordPress, install backdoors, deface websites, or pivot to internal networks.

🟠

Likely Case

Attackers steal user session cookies, redirect users to phishing sites, or perform limited actions within the user's permissions.

🟢

If Mitigated

With proper web application firewalls and security headers, malicious scripts are blocked before reaching users.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Reflected XSS vulnerabilities are commonly weaponized. Attack requires user interaction (clicking malicious link).

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 3.0.1

Vendor Advisory: https://plugins.svn.wordpress.org/vr-frases/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find VR-Frases plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin immediately.

🔧 Temporary Workarounds

Web Application Firewall (WAF)

all

Deploy WAF rules to block XSS payloads in URL parameters

Content Security Policy

all

Implement CSP headers to restrict script execution sources

Header set Content-Security-Policy "default-src 'self'; script-src 'self'" in .htaccess or web server config

🧯 If You Can't Patch

  • Immediately deactivate and remove the VR-Frases plugin from WordPress
  • Implement strict Content Security Policy headers and deploy web application firewall

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for VR-Frases version 3.0.1 or earlier

Check Version:

wp plugin list --name=vr-frases --field=version (if WP-CLI installed)

Verify Fix Applied:

Verify plugin version is higher than 3.0.1 or plugin is completely removed

📡 Detection & Monitoring

Log Indicators:

  • Unusual long URLs with script tags in parameters
  • Multiple requests to VR-Frases plugin endpoints with suspicious parameters

Network Indicators:

  • HTTP requests containing <script> tags in query parameters
  • Requests to VR-Frases endpoints with encoded JavaScript payloads

SIEM Query:

source="web_logs" AND uri="*vr-frases*" AND (uri="*<script>*" OR uri="*javascript:*" OR uri="*onload=*" OR uri="*onerror=*")

🔗 References

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