Affected versions of Atlassian Confluence Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a Cross-…

published 2020-07-24 6y ago modified 2026-06-17 4mo ago also EUVD-2020-6332

cvss: 5.4; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

Affected versions of Atlassian Confluence Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in user macro parameters. The affected versions are before version 7.4.2, and from version 7.5.0 before 7.5.2.

Patch / fix

fixed in 1

Atlassian Confluence Server 7.4.2, 7.5.2

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Exploit prediction

1.15% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

Atlassian Confluence Server

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

jira.atlassian.com /browse/CONFSERVER-60102
issue-tracking, vendor-advisory

Sources

CVE List CVE-2020-14175
NVD CVE-2020-14175

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