CVE-2022-24682

Summary

CVECVE-2022-24682
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-02-09 04:15:07 UTC
Updated2026-08-07 05:16:55 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.1 6.1 MEDIUM from [email protected]

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

EPSS: 0.309310000 probability, percentile 0.980900000 (date 2026-08-12)

CISA KEV: Listed on 2022-02-25; due 2022-03-11; ransomware use Known

Problem Types: CWE-116 | n/a | CWE-116 CWE-116 Improper Encoding or Escaping of Output


VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.1ADPDECLARED6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

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

CISA Known Exploited Vulnerability

VendorSynacor
ProductZimbra Collaborate Suite (ZCS)
NameSynacor Zimbra Collaborate Suite (ZCS) Cross-Site Scripting Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2022-24682

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Synacor Zimbra Collaboration Suite All All All All
Application Synacor Zimbra Collaboration Suite 8.8.15 - All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p1 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p10 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p11 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p12 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p13 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p14 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p15 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p16 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p17 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p18 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p19 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p2 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p20 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p21 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p22 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p23 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p24 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p25 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p26 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p27 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p28 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p29 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p3 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p4 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p5 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p6 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p7 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p8 All All
Application Synacor Zimbra Collaboration Suite 8.8.15 p9 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
Operation EmailThief: Active Exploitation of Zero-day XSS Vulnerability in Zimbra | Volexity af854a3a-2127-422b-91ae-364da2661108 www.volexity.com Exploit, Third Party Advisory
Hotfix Available 5 Feb for Zero-day Exploit Vulnerability in Zimbra 8.8.15 - Zimbra : Blog af854a3a-2127-422b-91ae-364da2661108 blog.zimbra.com Vendor Advisory
Zimbra Releases/8.8.15/P30 - Zimbra :: Tech Center af854a3a-2127-422b-91ae-364da2661108 wiki.zimbra.com Release Notes, Vendor Advisory
wiki.zimbra.com/wiki/Security_Center af854a3a-2127-422b-91ae-364da2661108 wiki.zimbra.com Vendor Advisory
wiki.zimbra.com/wiki/Zimbra_Security_Advisories af854a3a-2127-422b-91ae-364da2661108 wiki.zimbra.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 376478 Zimbra Cross-Site Scripting (XSS) Vulnerability

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