VULNERABILITY INTELLIGENCE

CVE-2026-21855

CVSS score9.3 CRITICAL
EPSS probability0.24%
CISA KEVNot currently listed
Published2026-01-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Description

The Tarkov Data Manager is a tool to manage the Tarkov item data. Prior to 02 January 2025, a reflected Cross Site Scripting (XSS) vulnerability in the toast notification system allows any attacker to execute arbitrary JavaScript in the context of a victim's browser session by crafting a malicious URL. A series of fix commits on 02 January 2025 fixed this and other vulnerabilities.

Weakness classification

  • security-advisories@github.com: CWE-79

Primary references