CVE-2024-50581
Published: 28 October 2024
Summary
CVE-2024-50581 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 4.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2024-50581 is an improper HTML sanitization flaw that enables cross-site scripting via comment tags in JetBrains YouTrack versions prior to 2024.3.47707. The issue is tracked under CWE-79 and carries a CVSS 3.1 base score of 4.6 reflecting network attack vector, low attack complexity, low privileges required, and required user interaction.
An authenticated user with the ability to post comments can supply crafted HTML that bypasses sanitization; when another user views the comment the attacker can execute script in the victim’s session, resulting in limited disclosure or modification of data within the application.
The vendor advisory at https://www.jetbrains.com/privacy-security/issues-fixed/ identifies the fixed release 2024.3.47707 and directs administrators to upgrade affected YouTrack instances. The associated EPSS score has remained flat at 0.2166 with no reported rise after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-44962
Vulnerability details
In JetBrains YouTrack before 2024.3.47707 improper HTML sanitization could lead to XSS attack via comment tag
- 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.