{"identifier":"CVE-2026-90821","cve":{"id":"CVE-2026-90821","description":"An input neutralization vulnerability in the Webhook URL form field component of Crafty Controller allows a remote, authenticated attacker to perform stored XSS via malicious form input","published":"2026-10-16T14:19:10.960000+00:00","modified":"2026-10-16T20:04:29.760000+00:00","status":"Deferred","score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cvss_version":"3.1","affected":[],"weaknesses":["CWE-79"],"references":[{"url":"https://gitlab.com/crafty-controller/crafty-4/-/work_items/745","source":"cve@gitlab.com"}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"cve@gitlab.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":2.7}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-16T14:39:41.834942Z","id":"CVE-2026-90821","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[],"source":"nvd","retrieved_at":"2026-10-28T10:23:02.251390+00:00","exploited":false,"kev_stale":false,"products":[],"priority":{"label":"Assess exposure and vendor guidance","reasons":["No higher-priority signal is available in the current stored evidence."]},"epss":{"probability":0.00158,"percentile":0.04955,"date":"2026-10-28","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"gitlab.com","source_url":"https://gitlab.com/crafty-controller/crafty-4/-/work_items/745","investigate_url":"https://investigate.aeglixmind.com/#gitlab.com"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-90821","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-90821","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-90821","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}