Cyber Resilience

CVE-2025-14340

High

Published: 18 February 2026

Published
18 February 2026
Modified
15 April 2026
KEV Added
—
Patch
—
CVSS Score v4 7.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:N/R:U/V:X/RE:M/U:Red
EPSS Score 0.0057 69.0th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-14340 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Payara Server (inferred from references). Its CVSS base score is 7.3 (High).

Operationally, ranked in the top 31.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Cross-site scripting in REST Management Interface in Payara Server <4.1.2.191.54, <5.83.0, <6.34.0, <7.2026.1 allows an attacker to mislead the administrator to change the admin password via URL Payload.

CWE(s)
CWE-79

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Payara
Server
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation
addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering
addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References