CVE-2021-45721 Cross-site scripting in JFrog Artifactory

What is CVE-2021-45721?

CVE-2021-45721 is a medium-severity cross-site scripting vulnerability in Jfrog Artifactory, published on 6 Jul 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

JFrog Artifactory prior to version 7.29.8 and 6.23.38 is vulnerable to Reflected Cross-Site Scripting (XSS) through one of the XHR parameters in Users REST API endpoint. This issue affects: JFrog JFrog Artifactory JFrog Artifactory versions before 7.36.1 versions prior to 7.29.8; JFrog Artifactory versions before 6.23.41 versions prior to 6.23.38.

Weakness: CWE-79

Which versions are affected by CVE-2021-45721?

1 open source package ship an affected version, including artifactory. It affects 1 product.

Products include Jfrog Artifactory.

How do I fix CVE-2021-45721?

Upgrade artifactory to a fixed version for your release line: 6.23.38 or 7.29.8.

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-2021-45721 being exploited?

There is no known exploitation of CVE-2021-45721 in the wild and no public exploit code.

Other vulnerabilities in Jfrog Artifactory

• CVE-2026-82329 JFrog Artifactory Improper Authentication Exploited Critical 9.8
• CVE-2026-42016 JFrog Artifactory Incorrect Authorization Exploited High 8.1
• CVE-2026-42018 JFrog Artifactory Improper Authentication Exploited High 7.5
• CVE-2026-66384 JFrog Artifactory Improper Limitation of a Pathname to a Restricted Directory Exploited Medium 5.3
• CVE-2019-17444 JFrog Artifactory does not enforce default admin password change Critical 9.8

All Jfrog Artifactory vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-artifactory-2021-45721, GHSA-mxq8-5vwv-h9rj.