{"dataType":"CVE_RECORD","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2025-66376","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","dateUpdated":"2026-03-19T03:55:17.926Z","dateReserved":"2025-11-28T00:00:00.000Z","datePublished":"2026-01-05T00:00:00.000Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Collaboration","vendor":"Zimbra","versions":[{"lessThan":"10.0.18","status":"affected","version":"10.0","versionType":"custom"},{"lessThan":"10.1.13","status":"affected","version":"10.1","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre","dateUpdated":"2026-01-05T14:49:53.107Z"},"references":[{"url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories"},{"url":"https://wiki.zimbra.com/wiki/Security_Center"},{"url":"https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy"},{"url":"https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.13#Security_Fixes"},{"url":"https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.18#Security_Fixes"}],"x_generator":{"engine":"enrichogram 0.0.1"},"metrics":[{"cvssV3_1":{"version":"3.1","baseScore":7.2,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"}}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0","versionEndExcluding":"10.0.18"},{"vulnerable":true,"criteria":"cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:*","versionStartIncluding":"10.1","versionEndExcluding":"10.1.13"}]}]}]},"adp":[{"references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-66376","tags":["government-resource"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-17T00:00:00+00:00","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2025-66376"}}},{"other":{"type":"kev","content":{"dateAdded":"2026-03-18","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-66376"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-19T03:55:17.926Z"},"timeline":[{"time":"2026-03-18T00:00:00.000Z","lang":"en","value":"CVE-2025-66376 added to CISA KEV"}]}]},"dataVersion":"5.2"}