{"id":"CVE-2021-35208","details":"An issue was discovered in ZmMailMsgView.js in the Calendar Invite component in Zimbra Collaboration Suite 8.8.x before 8.8.15 Patch 23. An attacker could place HTML containing executable JavaScript inside element attributes. This markup becomes unescaped, causing arbitrary markup to be injected into the document.","modified":"2026-07-08T05:57:10.537292198Z","published":"2021-07-02T19:15:08.417Z","database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:a:zimbra:collaboration:8.8.15:p10:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p12:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p13:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p14:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p15:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p16:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p17:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p18:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p19:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p21:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p22:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p2:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p4:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p6:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p7:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p8:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p9:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.8.15-p10"},{"last_affected":"8.8.15-p10"},{"introduced":"8.8.15-p12"},{"last_affected":"8.8.15-p12"},{"introduced":"8.8.15-p13"},{"last_affected":"8.8.15-p13"},{"introduced":"8.8.15-p14"},{"last_affected":"8.8.15-p14"},{"introduced":"8.8.15-p15"},{"last_affected":"8.8.15-p15"},{"introduced":"8.8.15-p16"},{"last_affected":"8.8.15-p16"},{"introduced":"8.8.15-p17"},{"last_affected":"8.8.15-p17"},{"introduced":"8.8.15-p18"},{"last_affected":"8.8.15-p18"},{"introduced":"8.8.15-p19"},{"last_affected":"8.8.15-p19"},{"introduced":"8.8.15-p2"},{"last_affected":"8.8.15-p2"},{"introduced":"8.8.15-p21"},{"last_affected":"8.8.15-p21"},{"introduced":"8.8.15-p22"},{"last_affected":"8.8.15-p22"},{"introduced":"8.8.15-p4"},{"last_affected":"8.8.15-p4"},{"introduced":"8.8.15-p6"},{"last_affected":"8.8.15-p6"},{"introduced":"8.8.15-p7"},{"last_affected":"8.8.15-p7"},{"introduced":"8.8.15-p8"},{"last_affected":"8.8.15-p8"},{"introduced":"8.8.15-p9"},{"last_affected":"8.8.15-p9"}],"source":"CPE_STRING","vendor_product":"zimbra:collaboration"}]},"references":[{"type":"ADVISORY","url":"https://wiki.zimbra.com/wiki/Security_Center"},{"type":"ADVISORY","url":"https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23"},{"type":"ADVISORY","url":"https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16"},{"type":"ADVISORY","url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories"},{"type":"EVIDENCE","url":"https://blog.sonarsource.com/zimbra-webmail-compromise-via-email"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/zimbra/zm-build","events":[{"introduced":"0"},{"fixed":"ac6081fa002b1511e926aba37740d2b6c20f3f43"},{"introduced":"ac6081fa002b1511e926aba37740d2b6c20f3f43"},{"last_affected":"0e40da921adb967639011de45841cef4c4601413"}],"database_specific":{"extracted_events":[{"introduced":"8.8"},{"fixed":"8.8.15"},{"introduced":"8.8.15-NA"},{"last_affected":"8.8.15-NA"},{"introduced":"8.8.15-p1"},{"last_affected":"8.8.15-p1"},{"introduced":"8.8.15-p11"},{"last_affected":"8.8.15-p11"},{"introduced":"8.8.15-p20"},{"last_affected":"8.8.15-p20"},{"introduced":"8.8.15-p3"},{"last_affected":"8.8.15-p3"},{"introduced":"8.8.15-p5"},{"last_affected":"8.8.15-p5"}],"source":["CPE_RANGE","CPE_STRING"],"cpe":["cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:-:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p1:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p11:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p20:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p3:*:*:*:*:*:*","cpe:2.3:a:zimbra:collaboration:8.8.15:p5:*:*:*:*:*:*"]}}],"versions":["8.8.15-NA","8.8.15-p1","8.8.15-p20","8.8.15-p3","8.8.15-p5","8.8.15.p5","8.8.15.p3","8.8.15"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-35208.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"}]}