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CVE-2024-21686

HIGH
Published 2024-07-16T20:00:02.156Z
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CVSS Score

V3.0
7.3
/10
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.003
probability
of exploitation in the wild

There is a 0.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.513
Higher than 51.3% of all CVEs

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

Description

This High severity Stored XSS vulnerability was introduced in versions 7.13 of Confluence Data Center and Server.

This Stored XSS vulnerability, with a CVSS Score of 7.3, allows an authenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser which has high impact to confidentiality, high impact to integrity, no impact to availability, and requires user interaction.

Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions listed on this CVE

See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html). You can download the latest version of Confluence Data Center and Server from the download center (https://www.atlassian.com/software/confluence/download-archives).

This vulnerability was reported via our Bug Bounty program.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Atlassian

Confluence Data Center

Affected Versions:

8.9.0 8.8.0 to 8.8.1 8.7.1 to 8.7.2 8.6.0 to 8.6.2 8.5.0 to 8.5.8 8.4.0 to 8.4.5 8.3.0 to 8.3.4 8.2.0 to 8.2.3 8.1.0 to 8.1.4 8.0.0 to 8.0.4 7.20.0 to 7.20.3 7.19.0 to 7.19.21 8.9.1 to 8.9.4 8.5.9 to 8.5.12 7.19.22 to 7.19.25
Atlassian

Confluence Server

Affected Versions:

8.5.0 to 8.5.8 8.4.0 to 8.4.5 8.3.0 to 8.3.4 8.2.0 to 8.2.3 8.1.0 to 8.1.4 8.0.0 to 8.0.4 7.20.0 to 7.20.3 7.19.0 to 7.19.21 8.5.9 to 8.5.12 7.19.22 to 7.19.25
atlassian

confluence_data_center

Affected Versions:

8.9.0 8.8.0 8.7.1 8.6.0 8.5.0 8.4.0 8.3.0 8.2.0 8.1.0 8.0.0 7.20.0 7.19.0 8.9.1 8.5.9 7.19.22
atlassian

confluence_server

Affected Versions:

8.5.0 8.4.0 8.3.0 8.2.0 8.1.0 8.0.0 7.20.0 7.19.0 8.5.9 7.19.22

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-7x4x-g7pr-2356

Advisory Details

This High severity Stored XSS vulnerability was introduced in versions 7.13 of Confluence Data Center and Server. This Stored XSS vulnerability, with a CVSS Score of 7.3, allows an authenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser which has high impact to confidentiality, high impact to integrity, no impact to availability, and requires user interaction. Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions listed on this CVE See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html). You can download the latest version of Confluence Data Center and Server from the download center (https://www.atlassian.com/software/confluence/download-archives). This vulnerability was reported via our Bug Bounty program.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-21686
WEB https://confluence.atlassian.com/pages/viewpage.action?pageId=1417150917
WEB https://jira.atlassian.com/browse/CONFSERVER-96134

Advisory provided by GitHub Security Advisory Database. Published: July 16, 2024, Modified: July 16, 2024

References

https://confluence.atlassian.com/pages/viewpage.action?pageId=1417150917
https://jira.atlassian.com/browse/CONFSERVER-96134
Published: 2024-07-16T20:00:02.156Z
Last Modified: 2025-03-19T18:24:42.880Z
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