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CVE-2024-21690

HIGH
Published 2024-08-21T16:05:00.394Z
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CVSS Score

V3.0
7.1
/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.013
probability
of exploitation in the wild

There is a 1.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.789
Higher than 78.9% 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 Reflected XSS and CSRF (Cross-Site Request Forgery) vulnerability was introduced in versions 7.19.0, 7.20.0, 8.0.0, 8.1.0, 8.2.0, 8.3.0, 8.4.0, 8.5.0, 8.6.0, 8.7.1, 8.8.0, and 8.9.0 of Confluence Data Center and Server.

This Reflected XSS and CSRF (Cross-Site Request Forgery) vulnerability, with a CVSS Score of 7.1, allows an unauthenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser and force a end user to execute unwanted actions on a web application in which they're currently authenticated which has high impact to confidentiality, low 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:

* Confluence Data Center and Server 7.19: Upgrade to a release greater than or equal to 7.19.26

* Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.14

* Confluence Data Center and Server 9.0: Upgrade to a release greater than or equal to 9.0.1



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 to 8.9.5 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 8.5.12 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 9.0.1 to 9.0.2 8.5.14 7.19.26
Atlassian

Confluence Server

Affected Versions:

8.5.0 to 8.5.12 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 8.5.14 7.19.26

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-hm5h-rw9m-g27p

Advisory Details

This High severity Reflected XSS and CSRF (Cross-Site Request Forgery) vulnerability was introduced in versions 7.19.0, 7.20.0, 8.0.0, 8.1.0, 8.2.0, 8.3.0, 8.4.0, 8.5.0, 8.6.0, 8.7.1, 8.8.0, and 8.9.0 of Confluence Data Center and Server. This Reflected XSS and CSRF (Cross-Site Request Forgery) vulnerability, with a CVSS Score of 7.1, allows an unauthenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser and force a end user to execute unwanted actions on a web application in which they're currently authenticated which has high impact to confidentiality, low 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: * Confluence Data Center and Server 7.19: Upgrade to a release greater than or equal to 7.19.26 * Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.14 * Confluence Data Center and Server 9.0: Upgrade to a release greater than or equal to 9.0.1 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:N/UI:R/S:U/C:H/I:L/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-21690
WEB https://confluence.atlassian.com/pages/viewpage.action?pageId=1431535667
WEB https://jira.atlassian.com/browse/CONFSERVER-97720

Advisory provided by GitHub Security Advisory Database. Published: August 21, 2024, Modified: August 21, 2024

References

https://confluence.atlassian.com/pages/viewpage.action?pageId=1431535667
https://jira.atlassian.com/browse/CONFSERVER-97720
Published: 2024-08-21T16:05:00.394Z
Last Modified: 2024-11-06T18:47:21.992Z
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