CVE-2021-39117

MEDIUM

Atlassian Jira Server and Data Center < 8.18.0 - Cross-Site Scripting via Custom Field Name

Title source: llm

Description

The AssociateFieldToScreens page in Atlassian Jira Server and Data Center before version 8.18.0 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability via the name of a custom field.

References (1)

Core 1

Core References

Issue Tracking, Vendor Advisory x_refsource_misc

https://jira.atlassian.com/browse/JRASERVER-72597

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 < 8.18.0

atlassian/jira < 8.18.0

Published Aug 30, 2021

Tracked Since Feb 18, 2026