{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-30830","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-03-05T21:06:44.606Z","datePublished":"2026-03-07T05:49:15.964Z","dateUpdated":"2026-03-10T17:58:06.614Z"},"containers":{"cna":{"title":"Defuddle: XSS via unescaped string interpolation in _findContentBySchemaText image tag","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":2.1,"baseSeverity":"LOW","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/E:P","version":"4.0"}}],"references":[{"name":"https://github.com/kepano/defuddle/security/advisories/GHSA-5mq8-78gm-pjmq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/kepano/defuddle/security/advisories/GHSA-5mq8-78gm-pjmq"},{"name":"https://github.com/kepano/defuddle/commit/f154cb740ee603431b69638273af737a27156df9","tags":["x_refsource_MISC"],"url":"https://github.com/kepano/defuddle/commit/f154cb740ee603431b69638273af737a27156df9"}],"affected":[{"vendor":"kepano","product":"defuddle","versions":[{"version":"< 0.9.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-03-07T05:49:15.964Z"},"descriptions":[{"lang":"en","value":"Defuddle cleans up HTML pages. Prior to version 0.9.0, the _findContentBySchemaText method in src/defuddle.ts interpolates image src and alt attributes directly into an HTML string without escaping. An attacker can use a \" in the alt attribute to break out of the attribute context and inject event handler. This issue has been patched in version 0.9.0."}],"source":{"advisory":"GHSA-5mq8-78gm-pjmq","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-10T17:45:32.483501Z","id":"CVE-2026-30830","options":[{"Exploitation":"poc"},{"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":"2026-03-10T17:58:06.614Z"}}]}}