{"id":"CVE-2026-30830","state":"PUBLISHED","title":"Defuddle: XSS via unescaped string interpolation in _findContentBySchemaText image tag","description":"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.","publishedAt":"2026-03-07T05:49:15.964Z","updatedAt":"2026-03-10T17:58:06.614Z","severity":{"score":2.1,"label":"Low","version":"4.0","vector":"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","source":"GitHub_M"},"assigner":"GitHub_M","products":["kepano defuddle"],"affected":[{"vendor":"kepano","product":"defuddle","versions":[{"version":"< 0.9.0","status":"affected"}]}],"references":["https://github.com/kepano/defuddle/security/advisories/GHSA-5mq8-78gm-pjmq","https://github.com/kepano/defuddle/commit/f154cb740ee603431b69638273af737a27156df9"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/30xxx/CVE-2026-30830.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-30830","state":"PUBLISHED","datePublished":"2026-03-07T05:49:15.964Z","dateUpdated":"2026-03-10T17:58:06.614Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-05T21:06:44.606Z"},"containers":{"cna":{"title":"Defuddle: XSS via unescaped string interpolation in _findContentBySchemaText image tag","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."}],"affected":[{"vendor":"kepano","product":"defuddle","versions":[{"version":"< 0.9.0","status":"affected"}]}],"references":[{"url":"https://github.com/kepano/defuddle/security/advisories/GHSA-5mq8-78gm-pjmq","name":"https://github.com/kepano/defuddle/security/advisories/GHSA-5mq8-78gm-pjmq","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/kepano/defuddle/commit/f154cb740ee603431b69638273af737a27156df9","name":"https://github.com/kepano/defuddle/commit/f154cb740ee603431b69638273af737a27156df9","tags":["x_refsource_MISC"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-07T05:49:15.964Z"},"source":{"advisory":"GHSA-5mq8-78gm-pjmq","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-10T17:58:06.614Z"}}]}}}