{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33209","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-03-17T23:23:58.312Z","datePublished":"2026-03-20T22:39:19.422Z","dateUpdated":"2026-03-24T18:07:25.007Z"},"containers":{"cna":{"title":"Avo has a XSS vulnerability on `return_to` param","problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/avo-hq/avo/security/advisories/GHSA-762r-27w2-q22j","tags":["x_refsource_CONFIRM"],"url":"https://github.com/avo-hq/avo/security/advisories/GHSA-762r-27w2-q22j"},{"name":"https://github.com/avo-hq/avo/pull/4330","tags":["x_refsource_MISC"],"url":"https://github.com/avo-hq/avo/pull/4330"},{"name":"https://github.com/avo-hq/avo/commit/4453d39ddc6309f3bc8ada73ef21e1971112de7d","tags":["x_refsource_MISC"],"url":"https://github.com/avo-hq/avo/commit/4453d39ddc6309f3bc8ada73ef21e1971112de7d"},{"name":"https://github.com/avo-hq/avo/releases/tag/v3.30.3","tags":["x_refsource_MISC"],"url":"https://github.com/avo-hq/avo/releases/tag/v3.30.3"}],"affected":[{"vendor":"avo-hq","product":"avo","versions":[{"version":"< 3.30.3","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-03-20T22:39:19.422Z"},"descriptions":[{"lang":"en","value":"Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.30.3, a reflected cross-site scripting (XSS) vulnerability exists in the return_to query parameter used in the avo interface. An attacker can craft a malicious URL that injects arbitrary JavaScript, which is executed when he clicks a dynamically generated navigation button. This issue has been patched in version 3.30.3."}],"source":{"advisory":"GHSA-762r-27w2-q22j","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-24T18:06:50.463947Z","id":"CVE-2026-33209","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":"2026-03-24T18:07:25.007Z"}}]}}