CVE-2025-69079

9.8 CRITICAL

📋 TL;DR

This vulnerability allows remote attackers to execute arbitrary code through deserialization of untrusted data in the ThemeREX Sound | Musical Instruments Online Store WordPress theme. Attackers can achieve remote code execution by injecting malicious objects. All WordPress sites using affected versions of this theme are vulnerable.

💻 Affected Systems

Products:
  • ThemeREX Sound | Musical Instruments Online Store WordPress theme
Versions: All versions up to and including 1.6.9
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable 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 attackers to install backdoors, steal data, or pivot to internal networks.

🟢

If Mitigated

Limited impact if proper input validation and deserialization controls are implemented.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Deserialization vulnerabilities are commonly exploited and weaponized quickly.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 1.6.9

Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/musicplace/vulnerability/wordpress-sound-musical-instruments-online-store-theme-1-6-9-deserialization-of-untrusted-data-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Appearance > Themes
3. Check for theme updates
4. Update to latest version
5. Clear cache if using caching plugins

🔧 Temporary Workarounds

Disable vulnerable theme

all

Switch to a different WordPress theme until patch is applied

wp theme deactivate musicplace
wp theme activate twentytwentyfour

Restrict PHP object deserialization

linux

Add PHP configuration to disable dangerous deserialization functions

Add 'disable_functions = unserialize' to php.ini

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block deserialization attempts
  • Restrict network access to WordPress admin interface using IP whitelisting

🔍 How to Verify

Check if Vulnerable:

Check WordPress theme version in Appearance > Themes or use: wp theme list --field=name,version | grep musicplace

Check Version:

wp theme list --field=name,version | grep musicplace

Verify Fix Applied:

Confirm theme version is greater than 1.6.9 using: wp theme list --field=name,version | grep musicplace

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests containing serialized data
  • PHP errors mentioning unserialize()
  • Unexpected file creation in wp-content directory

Network Indicators:

  • HTTP requests with serialized PHP objects in parameters
  • Traffic to unusual ports from web server

SIEM Query:

source="web.logs" AND ("unserialize" OR "O:" OR "C:" OR "a:" in request_body)

🔗 References

📤 Share & Export