SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-43945

Affected versions of Atlassian Jira Server and Data Center allow remote attackers with Roadmaps Administrator permissions to inject arbitrary HTML or JavaScript via a Stored Cross-Site Scripting (SXSS) vulnerability in the…

MEDIUM 4.8EPSS 0.57%

Does this matter?

Lower severity and a low EPSS score (0.57%). Track it; it rarely justifies an emergency change on its own.

Description

Affected versions of Atlassian Jira Server and Data Center allow remote attackers with Roadmaps Administrator permissions to inject arbitrary HTML or JavaScript via a Stored Cross-Site Scripting (SXSS) vulnerability in the /rest/jpo/1.0/hierarchyConfiguration endpoint. The affected versions are before version 8.20.3.

CVSS 3.1
4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
0.57% probability · 46th percentile
CISA KEV
Not listed
Weakness
CWE-79
Affected
atlassian/data center · atlassian/jira
Source
security@atlassian.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.