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CVE
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CVE-2021-35208Date: (C)2021-07-05   (M)2023-12-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.4CVSS Score : 3.5
Exploit Score: 2.3Exploit Score: 6.8
Impact Score: 2.7Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: MEDIUM
Privileges Required: LOWAuthentication: SINGLE
User Interaction: REQUIREDConfidentiality: NONE
Scope: CHANGEDIntegrity: PARTIAL
Confidentiality: LOWAvailability: NONE
Integrity: LOW 
Availability: NONE 
  
Reference:
https://blog.sonarsource.com/zimbra-webmail-compromise-via-email
https://wiki.zimbra.com/wiki/Security_Center
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

CWE    1
CWE-79

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