XSS in Atlassian Data_center
CVE-2021-39111
The Editor plugin in Atlassian Jira Server and Data Center before version 8.5.18, from 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (X…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.009 (56.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Atlassian Data_center
- Atlassian Jira
- Atlassian Jira Data Center — versions unspecified, 8.6.0, 8.14.0
- Atlassian Jira_data_center
- Atlassian Jira Server — versions unspecified, 8.6.0, 8.14.0
- Atlassian Jira_server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@atlassian.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-39111?
- CVE-2021-39111 is a medium-severity vulnerability in Atlassian Data_center, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-30.
- How severe is CVE-2021-39111?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-39111 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.