Vulnerability Details CVE-2024-27443
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. A Cross-Site Scripting (XSS) vulnerability exists in the CalendarInvite feature of the Zimbra webmail classic user interface, because of improper input validation in the handling of the calendar header. An attacker can exploit this via an email message containing a crafted calendar header with an embedded XSS payload. When a victim views this message in the Zimbra webmail classic interface, the payload is executed in the context of the victim's session, potentially leading to execution of arbitrary JavaScript code.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.225
EPSS Ranking 95.6%
CVSS Severity
CVSS v3 Score 6.1
Proposed Action
Zimbra Collaboration contains a cross-site scripting (XSS) vulnerability in the CalendarInvite feature of the Zimbra webmail classic user interface. An attacker can exploit this vulnerability via an email message containing a crafted calendar header, leading to the execution of arbitrary JavaScript code.
Ransomware Campaign
Unknown
References
Products affected by CVE-2024-27443
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cpe:2.3:a:zimbra:collaboration:10.0.0
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cpe:2.3:a:zimbra:collaboration:10.0.1
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cpe:2.3:a:zimbra:collaboration:10.0.2
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cpe:2.3:a:zimbra:collaboration:10.0.3
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cpe:2.3:a:zimbra:collaboration:10.0.4
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cpe:2.3:a:zimbra:collaboration:10.0.5
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cpe:2.3:a:zimbra:collaboration:10.0.6
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cpe:2.3:a:zimbra:collaboration:9.0.0