CVE-2025-30881
📋 TL;DR
This CVE describes a missing authorization vulnerability in the ThemeHunk Big Store WordPress theme that allows attackers to bypass access controls. It affects all versions up to 2.0.8, potentially enabling unauthorized access to restricted functionality. WordPress sites using this theme are vulnerable.
💻 Affected Systems
- ThemeHunk Big Store WordPress Theme
📦 What is this software?
Big Store by Themehunk
⚠️ Risk & Real-World Impact
Worst Case
Attackers could modify theme settings, inject malicious code, or access administrative functionality leading to site compromise.
Likely Case
Unauthorized users could modify theme configurations, change site appearance, or access functionality intended only for administrators.
If Mitigated
With proper access controls and authentication checks, impact would be limited to authorized users only.
🎯 Exploit Status
Exploitation requires some WordPress knowledge but is straightforward once access control weaknesses are identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.9 or later
Vendor Advisory: https://patchstack.com/database/wordpress/theme/big-store/vulnerability/wordpress-big-store-theme-2-0-8-broken-access-control-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Check for Big Store theme updates. 4. Update to version 2.0.9 or later. 5. Verify theme functions correctly after update.
🔧 Temporary Workarounds
Temporary Theme Deactivation
allDeactivate the vulnerable theme until patched
wp theme deactivate big-store
Access Restriction via .htaccess
linuxRestrict access to theme files via web server configuration
# Add to .htaccess: Order Deny,Allow
Deny from all
🧯 If You Can't Patch
- Switch to a different WordPress theme temporarily
- Implement strict access controls and monitor for unauthorized theme modifications
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes for Big Store theme version 2.0.8 or earlierCheck Version:
wp theme list --name=big-store --field=versionVerify Fix Applied:
Verify Big Store theme version is 2.0.9 or later in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to theme admin endpoints
- Unexpected theme file modifications
Network Indicators:
- HTTP requests to theme-specific admin endpoints from unauthorized IPs
SIEM Query:
source="wordpress.log" AND ("big-store" OR "themehunk") AND ("admin" OR "ajax") AND status=200 AND user_role!=administrator