{"id":"CVE-2026-54720","state":"PUBLISHED","title":"Silverstripe Framework: Possible XSS attack through media embed","description":"Silverstripe Framework is a PHP framework which powers the Silverstripe CMS. In versions prior to 6.2.2, the \"Insert media from web\" functionality in the CMS is vulnerable to XSS from a specially crafted embed. This issue was fixed in version 6.2.2/","publishedAt":"2026-07-01T21:02:59.522Z","updatedAt":"2026-07-02T15:54:49.241Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["silverstripe silverstripe-framework"],"affected":[{"vendor":"silverstripe","product":"silverstripe-framework","versions":[{"version":"< 6.2.2","status":"affected"}]}],"references":["https://github.com/silverstripe/silverstripe-framework/security/advisories/GHSA-gvrw-qqp5-jgc5","https://www.silverstripe.org/download/security-releases/cve-2026-54720"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54720.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54720","state":"PUBLISHED","datePublished":"2026-07-01T21:02:59.522Z","dateUpdated":"2026-07-02T15:54:49.241Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-15T23:07:33.231Z"},"containers":{"cna":{"title":"Silverstripe Framework: Possible XSS attack through media embed","descriptions":[{"lang":"en","value":"Silverstripe Framework is a PHP framework which powers the Silverstripe CMS. In versions prior to 6.2.2, the \"Insert media from web\" functionality in the CMS is vulnerable to XSS from a specially crafted embed. This issue was fixed in version 6.2.2/"}],"affected":[{"vendor":"silverstripe","product":"silverstripe-framework","versions":[{"version":"< 6.2.2","status":"affected"}]}],"references":[{"url":"https://github.com/silverstripe/silverstripe-framework/security/advisories/GHSA-gvrw-qqp5-jgc5","name":"https://github.com/silverstripe/silverstripe-framework/security/advisories/GHSA-gvrw-qqp5-jgc5","tags":["x_refsource_CONFIRM"]},{"url":"https://www.silverstripe.org/download/security-releases/cve-2026-54720","name":"https://www.silverstripe.org/download/security-releases/cve-2026-54720","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","version":"3.1"}}],"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":"2026-07-01T21:02:59.522Z"},"source":{"advisory":"GHSA-gvrw-qqp5-jgc5","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-02T15:10:59.562239Z","id":"CVE-2026-54720","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-02T15:54:49.241Z"}}]}}}