CVE-2026-25459

4.3 MEDIUM

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the Sober WordPress theme that allows attackers to bypass access controls. It affects all versions up to and including 3.5.12, potentially enabling unauthorized access to restricted functionality.

💻 Affected Systems

Products:
  • WordPress Sober Theme
Versions: All versions through 3.5.12
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations using the Sober theme. Requires WordPress to be installed and the theme to be 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

Attackers could gain administrative privileges, modify theme settings, inject malicious code, or access sensitive user data.

🟠

Likely Case

Unauthorized users accessing restricted theme configuration pages or functionality they shouldn't have permissions for.

🟢

If Mitigated

Minimal impact with proper WordPress user role management and security plugins in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires some WordPress access but not necessarily admin privileges. Attackers need to understand WordPress theme structure.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 3.5.12

Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/sober/vulnerability/wordpress-sober-theme-3-5-12-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 Sober theme updates
4. Update to latest version
5. Clear WordPress cache if using caching plugins

🔧 Temporary Workarounds

Temporary Theme Deactivation

all

Deactivate the Sober theme and switch to a default WordPress theme until patched

wp theme deactivate sober
wp theme activate twentytwentyfour

WordPress User Role Restrictions

all

Implement strict user role management and limit theme editing capabilities

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block unauthorized theme modification requests
  • Enable WordPress security plugins that monitor and restrict theme file modifications

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Appearance > Themes > Sober theme details for version number

Check Version:

wp theme list --name=sober --fields=name,status,version

Verify Fix Applied:

Verify Sober theme version is greater than 3.5.12 in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized POST requests to theme-related endpoints
  • Theme file modification logs without proper user permissions

Network Indicators:

  • HTTP requests to /wp-content/themes/sober/ with unauthorized parameters

SIEM Query:

source="wordpress" AND (uri_path="/wp-admin/themes.php" OR uri_path CONTAINS "/wp-content/themes/sober/") AND http_method="POST" AND user_role!="administrator"

🔗 References

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