{"id":"CVE-2026-84259","state":"PUBLISHED","title":"click5 CRM add-on to WPForms <= 1.0.3 - Unauthenticated Stored XSS via post_notifications","description":"The click5 CRM add-on to WPForms WordPress plugin through 1.0.3 does not sanitise and escape content submitted through an unauthenticated endpoint before outputting it back in an admin page, leading to Stored XSS which could be used against high privilege users such as admin.","publishedAt":"2026-10-11T06:00:13.106Z","updatedAt":"2026-10-11T11:32:45.058Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown click5 CRM add-on to WPForms"],"affected":[{"vendor":"Unknown","product":"click5 CRM add-on to WPForms","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.0.3","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/ab1b9586-b950-4213-891e-b973bc8f13be/"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/84xxx/CVE-2026-84259.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-84259","state":"PUBLISHED","datePublished":"2026-10-11T06:00:13.106Z","dateUpdated":"2026-10-11T11:32:45.058Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-09-01T13:44:44.208Z"},"containers":{"cna":{"title":"click5 CRM add-on to WPForms <= 1.0.3 - Unauthenticated Stored XSS via post_notifications","descriptions":[{"lang":"en","value":"The click5 CRM add-on to WPForms WordPress plugin through 1.0.3 does not sanitise and escape content submitted through an unauthenticated endpoint before outputting it back in an admin page, leading to Stored XSS which could be used against high privilege users such as admin."}],"affected":[{"vendor":"Unknown","product":"click5 CRM add-on to WPForms","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.0.3","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/ab1b9586-b950-4213-891e-b973bc8f13be/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-79 Cross-Site Scripting (XSS)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-10-11T06:00:13.106Z"},"credits":[{"lang":"en","value":"Erwan LR (WPScan)","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.8,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2026-84259","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-11T11:25:33.272371Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","type":"CWE","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-11T11:32:45.058Z"}}]}}}