CVE-2025-62905

5.4 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the Query Posts WordPress plugin allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. The vulnerability affects all WordPress sites running Query Posts plugin versions 0.3.2 and earlier. Attackers can exploit this to steal session cookies, redirect users, or perform actions on their behalf.

💻 Affected Systems

Products:
  • WordPress Query Posts plugin
Versions: n/a through <= 0.3.2
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with Query Posts plugin enabled. Vulnerability exists in default 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 gain administrative access to WordPress sites, steal sensitive data, deface websites, or install backdoors for persistent access.

🟠

Likely Case

Attackers steal user session cookies to hijack accounts, redirect users to malicious sites, or display fraudulent content.

🟢

If Mitigated

Limited impact with proper input validation and output encoding, potentially only affecting non-sensitive data display.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires ability to inject malicious payload into plugin's input fields that get stored and displayed to other users.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 0.3.2

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/query-posts/vulnerability/wordpress-query-posts-plugin-0-3-2-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 'Query Posts' plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install latest version from WordPress repository.

🔧 Temporary Workarounds

Disable Query Posts Plugin

WordPress

Temporarily disable the vulnerable plugin until patched version is available

wp plugin deactivate query-posts

Implement Content Security Policy

all

Add CSP headers to restrict script execution sources

Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to wp-config.php: 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 plugin functionality that accepts user input

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Installed Plugins → Query Posts version. If version is 0.3.2 or earlier, you are vulnerable.

Check Version:

wp plugin get query-posts --field=version

Verify Fix Applied:

After update, verify Query Posts plugin version is greater than 0.3.2 in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to plugin endpoints with script tags
  • Multiple failed login attempts following plugin access

Network Indicators:

  • Outbound connections to suspicious domains from WordPress server
  • Unexpected redirects from plugin pages

SIEM Query:

source="wordpress.log" AND ("query-posts" OR "query_posts") AND ("<script>" OR "javascript:" OR "onload=" OR "onerror=")

🔗 References

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