CVE-2022-24682

6.1 MEDIUM CISA KEV - Actively Exploited
Published: February 09, 2022 Modified: November 04, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://blog.zimbra.com/2022/02/hotfix-available-5-feb-for-zero-day-exploit-vulnerability-in-zimbra-8-8-15/
Source: cve@mitre.org
Vendor Advisory
https://wiki.zimbra.com/wiki/Security_Center
Source: cve@mitre.org
Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P30
Source: cve@mitre.org
Release Notes Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
Source: cve@mitre.org
Vendor Advisory
https://www.volexity.com/blog/2022/02/03/operation-emailthief-active-exploitation-of-zero-day-xss-vulnerability-in-zimbra/
Source: cve@mitre.org
Exploit Third Party Advisory
https://blog.zimbra.com/2022/02/hotfix-available-5-feb-for-zero-day-exploit-vulnerability-in-zimbra-8-8-15/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://wiki.zimbra.com/wiki/Security_Center
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P30
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.volexity.com/blog/2022/02/03/operation-emailthief-active-exploitation-of-zero-day-xss-vulnerability-in-zimbra/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-24682
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

11 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.1 / 10.0
EPSS (Exploit Probability)
87.7%
99th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-03-11

Weaknesses (CWE)

CWE-116 CWE-116

Affected Vendors

synacor

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