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CRITICALCVE-2026-21855Published Modified CNA GitHub_M

CVE-2026-21855: Tarkov Data Manager has Unauthenticated Reflected XSS

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.

Metrics

CVSS v3.1
9.3
Severity
CRITICAL
Fixed in
—
Affected Products
1
Affected packages
  • the-hideout / tarkov-data-manager
    <= 2.0.0
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
References