Medium severity · published Feb 24, 2022
CVE-2021-43943
Affected versions of Atlassian Jira Service Management Server and Data Center allow attackers with administrator privileges to inject arbitrary HTML or JavaScript via a Cross-Site…
4.8
CVSS
0.4%
EPSS
No
On KEV
Description
Affected versions of Atlassian Jira Service Management Server and Data Center allow attackers with administrator privileges to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the "Object Schema" field of /secure/admin/InsightDefaultCustomFieldConfig.jspa. The affected versions are before version 4.21.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JS
Jira Service Management · Atlassian
before 4.21.0; before 4.21.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-43943
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-43943
Issue Tracking
https://jira.atlassian.com/browse/JSDSERVER-10980
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