Medium severity · published Jul 2, 2020
CVE-2020-13653
An XSS vulnerability exists in the Webmail component of Zimbra Collaboration Suite before 8.8.15 Patch 11
6.1
CVSS
1.4%
EPSS
No
On KEV
Description
An XSS vulnerability exists in the Webmail component of Zimbra Collaboration Suite before 8.8.15 Patch 11. It allows an attacker to inject executable JavaScript into the account name of a user's profile. The injected code can be reflected and executed when changing an e-mail signature.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZC
Zimbra Collaboration Suite · Synacor
before 8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; +6 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13653
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13653
Release Notes
https://wiki.zimbra.com/wiki/Security_Center
Release Notes
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P11
Release Notes
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P4
Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
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