CVE-2026-1729

9.8 CRITICAL

📋 TL;DR

This critical vulnerability in the AdForest WordPress theme allows unauthenticated attackers to bypass authentication and log in as any user, including administrators. All WordPress sites using AdForest theme versions up to 6.0.12 are affected. Attackers can gain full administrative control without any credentials.

💻 Affected Systems

Products:
  • AdForest WordPress Theme
Versions: All versions up to and including 6.0.12
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations using the vulnerable AdForest theme versions. No special configuration required.

⚠️ 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 site takeover: attackers gain administrative access, can deface the site, steal sensitive data, install backdoors, or use the compromised site for further attacks.

🟠

Likely Case

Administrative account compromise leading to data theft, site defacement, or malware injection.

🟢

If Mitigated

Limited impact if theme is disabled or removed, but site functionality may be affected.

🌐 Internet-Facing: HIGH - WordPress sites are typically internet-facing, and the vulnerability requires no authentication.
🏢 Internal Only: LOW - This primarily affects public-facing WordPress installations.

🎯 Exploit Status

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

Exploitation is straightforward - attackers can send crafted requests to the vulnerable function without authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 6.0.13 or later

Vendor Advisory: https://themeforest.net/item/adforest-classified-wordpress-theme/19481695

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Check if AdForest theme update is available. 4. Update to version 6.0.13 or later. 5. If no update available, remove the theme immediately.

🔧 Temporary Workarounds

Disable AdForest Theme

all

Switch to a different WordPress theme to remove the vulnerable code.

wp theme activate twentytwentyfour
wp theme delete adforest

Block Vulnerable Endpoint

linux

Use .htaccess or web application firewall to block access to the vulnerable function.

# Add to .htaccess:
RewriteCond %{REQUEST_URI} sb_login_user_with_otp_fun
RewriteRule .* - [F,L]

🧯 If You Can't Patch

  • Immediately disable or remove the AdForest theme from all WordPress installations
  • Implement strict network access controls and web application firewall rules to block exploitation attempts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Appearance > Themes for AdForest theme version. If version is 6.0.12 or lower, you are vulnerable.

Check Version:

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

Verify Fix Applied:

After update, verify theme version shows 6.0.13 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • POST requests to /wp-admin/admin-ajax.php with action=sb_login_user_with_otp_fun
  • Multiple failed login attempts followed by successful login from same IP
  • Administrative actions from unusual IP addresses

Network Indicators:

  • HTTP POST requests containing 'sb_login_user_with_otp_fun' parameter
  • Unusual authentication patterns to WordPress admin endpoints

SIEM Query:

source="web_logs" AND uri="/wp-admin/admin-ajax.php" AND post_data="*sb_login_user_with_otp_fun*"

🔗 References

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