{"id":"CVE-2026-8903","state":"PUBLISHED","title":"Two-factor authentication (formerly IP Vault) <= 2.1 - Cross-Site Request Forgery to Settings Update","description":"The Two-factor authentication (formerly IP Vault) plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.1. This is due to missing or incorrect nonce validation on the ipv_save_changes function. This makes it possible for unauthenticated attackers to modify the plugin's firewall and two-factor authentication settings — including the operating mode, request include/exclude rules, authentication slug, and log retention period — potentially disabling protection entirely via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.","publishedAt":"2026-05-27T05:31:25.787Z","updatedAt":"2026-05-27T10:36:08.618Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["youtag Two-factor authentication (formerly IP Vault)"],"affected":[{"vendor":"youtag","product":"Two-factor authentication (formerly IP Vault)","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.1","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/5a58f809-d051-4841-a1da-7bc1cf59e1a2?source=cve","https://plugins.trac.wordpress.org/browser/ip-vault-wp-firewall/trunk/includes/admin-settings.php#L14","https://plugins.trac.wordpress.org/browser/ip-vault-wp-firewall/trunk/includes/admin-settings.php#L129","https://plugins.trac.wordpress.org/browser/ip-vault-wp-firewall/trunk/ip-vault.php#L482"],"weaknesses":["CWE-352"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/8xxx/CVE-2026-8903.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8903","state":"PUBLISHED","datePublished":"2026-05-27T05:31:25.787Z","dateUpdated":"2026-05-27T10:36:08.618Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-05-18T21:17:54.084Z"},"containers":{"cna":{"title":"Two-factor authentication (formerly IP Vault) <= 2.1 - Cross-Site Request Forgery to Settings Update","descriptions":[{"lang":"en","value":"The Two-factor authentication (formerly IP Vault) plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.1. This is due to missing or incorrect nonce validation on the ipv_save_changes function. This makes it possible for unauthenticated attackers to modify the plugin's firewall and two-factor authentication settings — including the operating mode, request include/exclude rules, authentication slug, and log retention period — potentially disabling protection entirely via a forged request granted they can trick a site administrator into performing an action such as clicking on a link."}],"affected":[{"vendor":"youtag","product":"Two-factor authentication (formerly IP Vault)","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.1","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/5a58f809-d051-4841-a1da-7bc1cf59e1a2?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/ip-vault-wp-firewall/trunk/includes/admin-settings.php#L14"},{"url":"https://plugins.trac.wordpress.org/browser/ip-vault-wp-firewall/trunk/includes/admin-settings.php#L129"},{"url":"https://plugins.trac.wordpress.org/browser/ip-vault-wp-firewall/trunk/ip-vault.php#L482"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-352","lang":"en","description":"CWE-352 Cross-Site Request Forgery (CSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-05-27T05:31:25.787Z"},"credits":[{"lang":"en","type":"finder","value":"Muhammad Afnaan"}],"timeline":[{"time":"2026-05-26T17:22:43.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-27T10:17:21.916694Z","id":"CVE-2026-8903","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-27T10:36:08.618Z"}}]}}}