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CVE-2021-35207

MEDIUM
6.1
CVSS Score
Published: July 2, 2021 at 06:55 PM UTC
Updated: June 17, 2026 at 03:57 AM UTC
1 product affected across 1 vendorCollaboration

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Severity
MEDIUM6.1
Exploit prediction
EPSS 3%

Description

An issue was discovered in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.0 before 9.0.0 Patch 16. An XSS vulnerability exists in the login component of Zimbra Web Client, in which an attacker can execute arbitrary JavaScript by adding executable JavaScript to the loginErrorCode parameter of the login url.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (4)

x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://wiki.zimbra.com/wiki/Security_Center
x_refsource_MISCVendor Advisory
Source: [email protected]
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23
x_refsource_MISCVendor Advisory
Source: [email protected]
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16
x_refsource_MISCVendor Advisory
Source: [email protected]
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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