CVE-2020-36290

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-07-26 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

Atlassian Confluence Data Center: before 7.4.5; from 7.5.0 before 7.6.3; from 7.7.0 before 7.7.4 — fixed in 7.4.5, 7.6.3, 7.7.4
Atlassian Confluence Data Center: before 7.4.5; from 7.5.0 before 7.6.3; from 7.7.0 before 7.7.4 — fixed in 7.4.5, 7.6.3, 7.7.4

How to fix

Upgrade to a fixed version: Atlassian Confluence Data Center 7.4.5, 7.6.3, 7.7.4; Atlassian Confluence Data Center 7.4.5, 7.6.3, 7.7.4. Check the vendor advisory for mitigations.

References

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