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CVE-2026-54253Proof of concept (PoC) published · CISA

TS3 Manager: Reflected XSS via /api/download port parameter steals operator session

CVSS score

8.2

EPSS probability

%0.3

Risk score

0.0

Published

1 mo ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline

Vulnerability Timeline (Change History)

CVE-2026-54253 historical changes made to the vulnerability by NVD, CISA and MITRE:

DateActor / SourceAction / DescriptionTypePrevious valueNew value
30.09.2026nvd@nist.govInitial Analysis & CVSS Vector AssignmentCVSS V3.1—CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
17.09.2026CISA CoordinatorSSVC Risk Re-assessmentSSVC / KEVexploitation: noneexploitation: none
17.09.2026MITRE / NVDNew CVE Record Received & IngestedCVE Created—CVE-2026-54253

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