XSS in Atlassian Jira Data Center
CVE-2019-20900
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the Add Field module. The affected versions are before version 8.7.0.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.009 (56.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Atlassian Jira_data_center
- Atlassian Jira Server — versions unspecified
- Atlassian Jira_server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@atlassian.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-20900?
- CVE-2019-20900 is a medium-severity vulnerability in Atlassian Jira Data Center, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-07-13.
- How severe is CVE-2019-20900?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2019-20900 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.