Medium severity5.4NVD Advisory· Published Jul 2, 2021· Updated Jun 17, 2026
CVE-2021-35208
CVE-2021-35208
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
26cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:*+ 23 more
- cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:*range: >=8.8,<8.8.15
- cpe:2.3:a:zimbra:collaboration:8.8.15:-:*:*:*:*:*:*
- cpe:2.3:a:zimbra:collaboration:8.8.15:p10:*:*:*:*:*:*
- cpe:2.3:a:zimbra:collaboration:8.8.15:p11:*:*:*:*:*:*
- 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:p1:*:*:*:*:*:*
- cpe:2.3:a:zimbra:collaboration:8.8.15:p20:*:*:*:*:*:*
- 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:p3:*:*:*:*:*:*
- cpe:2.3:a:zimbra:collaboration:8.8.15:p4:*:*:*:*:*:*
- cpe:2.3:a:zimbra:collaboration:8.8.15:p5:*:*:*:*:*:*
- 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:*:*:*:*:*:*
- Zimbra/Zimbra Collaboration Suitedescription
- Range: < 8.8.15 Patch 23
Patches
Vulnerability mechanics
References
5- blog.sonarsource.com/zimbra-webmail-compromise-via-emailnvdExploitMitigationThird Party Advisory
- wiki.zimbra.com/wiki/Security_CenternvdRelease NotesVendor Advisory
- wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23nvdRelease NotesVendor Advisory
- wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16nvdRelease NotesVendor Advisory
- wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesnvdVendor Advisory
News mentions
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