Tarkov Data Manager has Unauthenticated Reflected XSS
Priority HIGH 73CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00242 15th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| the-hideout | tarkov-data-manager | up to 2.0.0 | — | No fix listed | CNA |
- tarkov-data-manager Vendorthe-hideout Affected up to 2.0.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tarkov:tarkov_data_manager:*:*:*:*:*:*:*:* | before 2025-01-02 | Vulnerable | the-hideout |
- cpe:2.3:a:tarkov:tarkov_data_manager:*:*:*:*:*:*:*:* Versions before 2025-01-02 Vulnerable ·the-hideout
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-21855
References
More the-hideout Tarkov Data Manager vulnerabilities
- TI-2026-17556 Tarkov Data Manager Authentication Bypass vulnerability CVSS 3.1CRITICAL 9.8
- TI-2026-17558 Tarkov Data Manager has Authenticated SQL Injection CVSS 3.1HIGH 8.8
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences