XSS in Atlassian Data Center
CVE-2021-26083
Export HTML Report in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (48.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
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)
References
- jira.atlassian.com/browse/JRASERVER-72213 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-26083?
- CVE-2021-26083 is a medium-severity vulnerability in Atlassian Data Center, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-07-20.
- How severe is CVE-2021-26083?
- Medium severity. CVSS v3 base score is 5.4 out of 10.