CVE-2024-21690 Cross-site scripting in Confluence Data Center
Unauthenticated attackers can execute arbitrary JavaScript or force unwanted actions via reflected XSS and CSRF in Confluence Data Center and Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-21690?
CVE-2024-21690 is a high-severity cross-site scripting vulnerability in Atlassian Confluence Data Center, published on 21 Aug 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2024-21690?
It affects 2 products.
Products include Atlassian Confluence Data Center, Atlassian Confluence Server.
How do I fix CVE-2024-21690?
No fix has been published for CVE-2024-21690 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2024-21690 being exploited?
There is no known exploitation of CVE-2024-21690 in the wild and no public exploit code.
Other vulnerabilities in Atlassian Confluence Data Center
- CVE-2023-22527 Atlassian Confluence Data Center and Server Template Injection
- CVE-2023-22518 Atlassian Confluence Data Center and Server Improper Authorization
- CVE-2023-22515 Atlassian Confluence Data Center and Server Broken Access Control
- CVE-2022-26134 Atlassian Confluence Server and Data Center Remote Code Execution
- CVE-2021-26084 Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection
Sources
Also known as GHSA-hm5h-rw9m-g27p.