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

CVE-2026-21855

Tarkov Data Manager has Unauthenticated Reflected XSS PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
the-hideout / tarkov-data-manager	affected <= 2.0.0

CWE

CWE-79

References

https://github.com/the-hideout/tarkov-data-manager/security/advisories/GHSA-9c23-rrg9-jc89

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.