How severe is CVE-2020-36290?

CVE-2020-36290 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-36290 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36290?

CVE-2020-36290 primarily affects Atlassian Confluence Data Center. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-36290?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-36290 published?

CVE-2020-36290 was published on 2022-07-26 and last updated on 2026-06-17.

CVE-2020-36290

CVE-2020-36290 is a medium-severity vulnerability in Atlassian Confluence Data Center with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Atlassian Confluence Data Center
Published: 2022-07-26
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-36290?: CVE-2020-36290 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-36290 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36290?: CVE-2020-36290 primarily affects Atlassian Confluence Data Center. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-36290?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-36290 published?: CVE-2020-36290 was published on 2022-07-26 and last updated on 2026-06-17.

References

https://jira.atlassian.com/browse/CONFSERVER-60118

Affected products (2)

cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*

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