CVE-2024-50579
Published: 28 October 2024
Summary
CVE-2024-50579 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Jetbrains Youtrack. Its CVSS base score is 4.6 (Medium).
Operationally, ranked in the top 7.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2024-50579 is a reflected cross-site scripting vulnerability (CWE-79) caused by insecure link sanitization in JetBrains YouTrack versions prior to 2024.3.47707. The flaw received a CVSS 3.1 score of 4.6, reflecting network attack vector, low complexity, and the requirement for low-privileged authenticated access plus victim user interaction.
An attacker with a low-privileged YouTrack account can supply a crafted link that, when visited by another authenticated user, executes arbitrary script in the victim's browser session. Successful exploitation yields limited read and write access to data visible within that session but does not affect availability or cross-scope resources.
The official JetBrains advisory at https://www.jetbrains.com/privacy-security/issues-fixed/ identifies the issue as resolved in YouTrack 2024.3.47707; administrators are therefore advised to upgrade affected instances to that release or later. The associated EPSS score has remained flat at 0.0787 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-44960
Vulnerability details
In JetBrains YouTrack before 2024.3.47707 reflected XSS due to insecure link sanitization was possible
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.