{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-25500","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-02-02T18:21:42.485Z","datePublished":"2026-02-18T18:59:31.964Z","dateUpdated":"2026-02-18T19:42:35.101Z"},"containers":{"cna":{"title":"Rack's Stored XSS in Rack::Directory via javascript: filenames rendered into anchor href","problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/rack/rack/security/advisories/GHSA-whrj-4476-wvmp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/rack/rack/security/advisories/GHSA-whrj-4476-wvmp"},{"name":"https://github.com/rack/rack/commit/f2f225f297b99fbee3d9f51255d41f601fc40aff","tags":["x_refsource_MISC"],"url":"https://github.com/rack/rack/commit/f2f225f297b99fbee3d9f51255d41f601fc40aff"}],"affected":[{"vendor":"rack","product":"rack","versions":[{"version":"< 2.2.22","status":"affected"},{"version":">= 3.0.0.beta1, < 3.1.20","status":"affected"},{"version":">= 3.2.0, < 3.2.5","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-02-18T18:59:31.964Z"},"descriptions":[{"lang":"en","value":"Rack is a modular Ruby web server interface. Prior to versions 2.2.22, 3.1.20, and 3.2.5, `Rack::Directory` generates an HTML directory index where each file entry is rendered as a clickable link. If a file exists on disk whose basename starts with the `javascript:` scheme (e.g. `javascript:alert(1)`), the generated index contains an anchor whose `href` is exactly `javascript:alert(1)`. Clicking the entry executes JavaScript in the browser (demonstrated with `alert(1)`). Versions 2.2.22, 3.1.20, and 3.2.5 fix the issue."}],"source":{"advisory":"GHSA-whrj-4476-wvmp","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-18T19:42:04.480536Z","id":"CVE-2026-25500","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-18T19:42:35.101Z"}}]}}