CVE-2026-21855

6.1 mediumEPSS 0.2%

Medium (6.1) in tarkov tarkov data manager. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 15% of CVEs (scores of 2026-11-01)
CWE: CWE-79
Published: 2026-01-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tarkov:tarkov_data_manager

References

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

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