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.
History

Wed, 07 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 07 Jan 2026 18:30:00 +0000

Type Values Removed Values Added
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.
Title Tarkov Data Manager has Unauthenticated Reflected XSS
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-01-07T18:37:42.582Z

Reserved: 2026-01-05T16:44:16.366Z

Link: CVE-2026-21855

cve-icon Vulnrichment

Updated: 2026-01-07T18:37:31.903Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-07T19:15:57.970

Modified: 2026-01-08T18:08:54.147

Link: CVE-2026-21855

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.