CVE-2025-60039

9.8 CRITICAL

📋 TL;DR

This vulnerability allows remote attackers to execute arbitrary code through PHP object injection via deserialization of untrusted data in the Noisa WordPress theme. It affects all WordPress sites using Noisa theme versions up to and including 2.6.0.

💻 Affected Systems

Products:
  • Noisa WordPress Theme
Versions: All versions up to and including 2.6.0
Operating Systems: Any OS running WordPress with PHP
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with Noisa theme active

⚠️ 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

Complete server compromise leading to data theft, ransomware deployment, or website defacement

🟠

Likely Case

Remote code execution allowing attacker to install backdoors, modify content, or steal sensitive data

🟢

If Mitigated

Limited impact if proper input validation and security controls prevent exploitation

🌐 Internet-Facing: HIGH - WordPress themes are typically internet-facing and this vulnerability requires no authentication
🏢 Internal Only: MEDIUM - Internal WordPress installations could still be exploited by internal threats

🎯 Exploit Status

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

Public exploit details available on security research sites

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 2.6.0

Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/noisa/vulnerability/wordpress-noisa-theme-2-6-0-php-object-injection-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Update Noisa theme to latest version via WordPress admin panel
2. Verify theme version is greater than 2.6.0
3. Clear WordPress cache if applicable

🔧 Temporary Workarounds

Disable Noisa Theme

all

Switch to a different WordPress theme temporarily

wp theme activate twentytwentyfour
wp theme deactivate noisa

Restrict Theme Access

linux

Use web application firewall to block access to vulnerable theme files

# Add to .htaccess for Apache:
<FilesMatch "noisa.*\.php">
Order Deny,Allow
Deny from all
</FilesMatch>

🧯 If You Can't Patch

  • Implement strict input validation and sanitization for all user inputs
  • Deploy web application firewall with rules to detect and block deserialization attacks

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Appearance > Themes for Noisa theme version <= 2.6.0

Check Version:

wp theme list --name=noisa --field=version

Verify Fix Applied:

Confirm Noisa theme version is greater than 2.6.0 in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to theme PHP files
  • PHP errors related to unserialize() function
  • Unexpected file creation in uploads directory

Network Indicators:

  • HTTP requests containing serialized PHP objects in parameters
  • Traffic patterns to theme-specific endpoints

SIEM Query:

source="web_logs" AND (uri="*noisa*" OR uri="*theme*noisa*") AND (method="POST" OR params="*serialize*" OR params="*unserialize*")

🔗 References

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