XSS in Atlassian Data Center

CVE-2021-26082

The XML Export 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 8.17.0 allows remote attackers to inject arbitrary HTML or JavaScript via a stored cross site scripting 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: 0.010 (62.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 63rd percentile — 62.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-26082: held from 0.010 to 0.010.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-26082?
CVE-2021-26082 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-2021-26082?
Medium severity. CVSS v3 base score is 5.4 out of 10.