{"id":"CVE-2026-15239","state":"PUBLISHED","title":"Simple CAPTCHA with Cloudflare Turnstile < 1.42.0 - Unauthenticated Turnstile Protection Bypass via Reusable Forminator Cache Key","description":"The Simple CAPTCHA with Cloudflare Turnstile WordPress plugin before 1.42.0 does not bind its Turnstile validation cache to the single-use challenge token in its Forminator integration, instead keying it to an attacker-controlled, reusable request value, allowing unauthenticated attackers to solve one challenge and then replay token-less form submissions for a short window, defeating the anti-abuse protection the plugin provides.","publishedAt":"2026-08-07T07:25:36.748Z","updatedAt":"2026-08-07T15:19:13.952Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","source":"WPScan"},"assigner":"WPScan","products":["Unknown Simple CAPTCHA with Cloudflare Turnstile"],"affected":[{"vendor":"Unknown","product":"Simple CAPTCHA with Cloudflare Turnstile","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.42.0","versionType":"semver"}],"collectionURL":"https://wordpress.org/plugins"}],"references":["https://wpscan.com/vulnerability/28d3bda2-501c-4eeb-9184-c343367adbea/"],"weaknesses":["CWE-345"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/15xxx/CVE-2026-15239.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-15239","state":"PUBLISHED","datePublished":"2026-08-07T07:25:36.748Z","dateUpdated":"2026-08-07T15:19:13.952Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-07-09T11:43:59.002Z"},"containers":{"cna":{"title":"Simple CAPTCHA with Cloudflare Turnstile < 1.42.0 - Unauthenticated Turnstile Protection Bypass via Reusable Forminator Cache Key","descriptions":[{"lang":"en","value":"The Simple CAPTCHA with Cloudflare Turnstile WordPress plugin before 1.42.0 does not bind its Turnstile validation cache to the single-use challenge token in its Forminator integration, instead keying it to an attacker-controlled, reusable request value, allowing unauthenticated attackers to solve one challenge and then replay token-less form submissions for a short window, defeating the anti-abuse protection the plugin provides."}],"affected":[{"vendor":"Unknown","product":"Simple CAPTCHA with Cloudflare Turnstile","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.42.0","versionType":"semver"}],"collectionURL":"https://wordpress.org/plugins"}],"references":[{"url":"https://wpscan.com/vulnerability/28d3bda2-501c-4eeb-9184-c343367adbea/","tags":["exploit","vdb-entry","technical-description"]}],"metrics":[{"cvssV3_1":{"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"}}],"problemTypes":[{"descriptions":[{"description":"CWE-345 Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-08-07T07:25:36.748Z"},"credits":[{"lang":"en","value":"Meher Sudhakar Abbireddi","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-07T15:18:52.471399Z","id":"CVE-2026-15239","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-345","type":"CWE","lang":"en","description":"CWE-345 Insufficient Verification of Data Authenticity"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-07T15:19:13.952Z"}}]}}}