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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...

Basic Information

CVE State
PUBLISHED
Reserved Date
February 09, 2022
Published Date
February 09, 2022
Last Updated
July 30, 2025
Vendor
n/a
Product
n/a
Description
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.
Tags
cisa malware ransomware

CVSS Scores

CVSS v3.1

6.1 - MEDIUM

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

4.3

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

SSVC Information

Exploitation
active
Technical Impact
partial

Exploit Status

Exploited in the Wild
Yes (2022-02-25 00:00:00 UTC) Source
Used in Malware
Yes (added 2022-02-25 00:00:00 UTC) Source

References

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories https://wiki.zimbra.com/wiki/Security_Center 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/Zimbra_Releases/8.8.15/P30

Known Exploited Vulnerability Information

Source Added Date
CISA 2022-02-25 00:00:00 UTC

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Exploit Used in Malware

  • Added to KEVIntel