{"id":"CVE-2026-49276","state":"PUBLISHED","title":"Kirby: Self cross-site scripting (self-XSS) in the writer field","description":"Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using the writer field in any blueprint allowed a scripting link to be included as the target of a link or email link in writer mark components, making the target clickable by the user who entered it and enabling self cross-site scripting in the Panel. This issue is fixed in versions 4.9.4 and 5.4.4.","publishedAt":"2026-07-09T18:48:50.543Z","updatedAt":"2026-07-10T14:11:49.896Z","severity":{"score":7.4,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["getkirby kirby"],"affected":[{"vendor":"getkirby","product":"kirby","versions":[{"version":"< 4.9.4","status":"affected"},{"version":">= 5.0.0, < 5.4.4","status":"affected"}]}],"references":["https://github.com/getkirby/kirby/security/advisories/GHSA-rhj6-r49h-5932","https://github.com/getkirby/kirby/releases/tag/4.9.4","https://github.com/getkirby/kirby/releases/tag/5.4.4"],"weaknesses":["CWE-83"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/49xxx/CVE-2026-49276.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-49276","state":"PUBLISHED","datePublished":"2026-07-09T18:48:50.543Z","dateUpdated":"2026-07-10T14:11:49.896Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-28T20:07:58.861Z"},"containers":{"cna":{"title":"Kirby: Self cross-site scripting (self-XSS) in the writer field","descriptions":[{"lang":"en","value":"Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using the writer field in any blueprint allowed a scripting link to be included as the target of a link or email link in writer mark components, making the target clickable by the user who entered it and enabling self cross-site scripting in the Panel. This issue is fixed in versions 4.9.4 and 5.4.4."}],"affected":[{"vendor":"getkirby","product":"kirby","versions":[{"version":"< 4.9.4","status":"affected"},{"version":">= 5.0.0, < 5.4.4","status":"affected"}]}],"references":[{"url":"https://github.com/getkirby/kirby/security/advisories/GHSA-rhj6-r49h-5932","name":"https://github.com/getkirby/kirby/security/advisories/GHSA-rhj6-r49h-5932","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/getkirby/kirby/releases/tag/4.9.4","name":"https://github.com/getkirby/kirby/releases/tag/4.9.4","tags":["x_refsource_MISC"]},{"url":"https://github.com/getkirby/kirby/releases/tag/5.4.4","name":"https://github.com/getkirby/kirby/releases/tag/5.4.4","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-83","lang":"en","description":"CWE-83: Improper Neutralization of Script in Attributes in a Web Page","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-09T18:48:50.543Z"},"source":{"advisory":"GHSA-rhj6-r49h-5932","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-10T14:11:39.964148Z","id":"CVE-2026-49276","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-10T14:11:49.896Z"}}]}}}