CVE-2021-43945

MEDIUM

Atlassian Jira Server/Data Center <8.20.3 - XSS

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://jira.atlassian.com/browse/JRASERVER-73069

Scores

CVSS v3 4.8
EPSS 0.0022
EPSS Percentile 43.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
atlassian/data_center < 8.20.3
atlassian/jira < 8.20.3
Published Feb 28, 2022
Tracked Since Feb 18, 2026