Vulnerability Details CVE-2022-24682
An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1), as exploited in the wild starting in December 2021. An attacker could place HTML containing executable JavaScript inside element attributes. This markup becomes unescaped, causing arbitrary markup to be injected into the document.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.778
EPSS Ranking 98.9%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.3
Proposed Action
Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting (XSS) vulnerability in the Calendar feature that allows an attacker to execute arbitrary code.
Ransomware Campaign
Known
References
- https://blog.zimbra.com/2022/02/hotfix-available-5-feb-for-zero-day-exploit-vulnerability-in-zimbra-8-8-15/
- https://wiki.zimbra.com/wiki/Security_Center
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P30
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://www.volexity.com/blog/2022/02/03/operation-emailthief-active-exploitation-of-zero-day-xss-vulnerability-in-zimbra/
- https://blog.zimbra.com/2022/02/hotfix-available-5-feb-for-zero-day-exploit-vulnerability-in-zimbra-8-8-15/
- https://wiki.zimbra.com/wiki/Security_Center
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P30
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://www.volexity.com/blog/2022/02/03/operation-emailthief-active-exploitation-of-zero-day-xss-vulnerability-in-zimbra/
Products affected by CVE-2022-24682
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cpe:2.3:a:zimbra:collaboration:8.8
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cpe:2.3:a:zimbra:collaboration:8.8.0
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cpe:2.3:a:zimbra:collaboration:8.8.10
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cpe:2.3:a:zimbra:collaboration:8.8.11
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cpe:2.3:a:zimbra:collaboration:8.8.12
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cpe:2.3:a:zimbra:collaboration:8.8.15
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cpe:2.3:a:zimbra:collaboration:8.8.2
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cpe:2.3:a:zimbra:collaboration:8.8.3
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cpe:2.3:a:zimbra:collaboration:8.8.4
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cpe:2.3:a:zimbra:collaboration:8.8.6
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cpe:2.3:a:zimbra:collaboration:8.8.7
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cpe:2.3:a:zimbra:collaboration:8.8.8
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cpe:2.3:a:zimbra:collaboration:8.8.9