CVE-2026-21855

critical · 9.3

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.

9.3

CVSS

0.2%

EPSS (exploit prob.)

15th

EPSS percentile

2026-01-07

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Weaknesses

CWE-79

Affected products

Vendor	Product	Affected versions
tarkov	tarkov_data_manager	< 2025-01-02

Check a specific version with /api/v1/cve/match.

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-21855