What is CVE-2020-36290?

CVE-2020-36290 is a medium-severity vulnerability in Atlassian Confluence Data Center, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-07-26.

How severe is CVE-2020-36290?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Atlassian Confluence Data Center

CVE-2020-36290

The Livesearch macro in Confluence Server and Data Center before version 7.4.5, from version 7.5.0 before 7.6.3, and from version 7.7.0 before version 7.7.4 allows remote attackers with permission to edit a page or blog to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the page excerpt functionality.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (48.0th percentile) — read the EPSS interpretation.

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.

Affected products

Atlassian Confluence Data Center — versions unspecified, 7.5.0, 7.7.0
Atlassian Confluence_data_center
Atlassian Confluence Server — versions unspecified, 7.5.0, 7.7.0
Atlassian Confluence_server

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@atlassian.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2020-36290?: CVE-2020-36290 is a medium-severity vulnerability in Atlassian Confluence Data Center, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-07-26.
How severe is CVE-2020-36290?: Medium severity. CVSS v3 base score is 5.4 out of 10.