How severe is CVE-2025-14340?

CVE-2025-14340 has a CVSS 4.0 base score of 7.3, rated high severity.

Is CVE-2025-14340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-14340?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-14340 have an EU (EUVD) identifier?

Yes. CVE-2025-14340 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207823.

When was CVE-2025-14340 published?

CVE-2025-14340 was published on 2026-02-18 and last updated on 2026-06-17.

CVE-2025-14340

CVE-2025-14340 is a high-severity vulnerability with a CVSS 4.0 base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 4.0 base score 7.3)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207823
Weakness: CWE-79
Published: 2026-02-18
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-14340?: 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.
How severe is CVE-2025-14340?: CVE-2025-14340 has a CVSS 4.0 base score of 7.3, rated high severity.
Is CVE-2025-14340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-14340?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-14340 have an EU (EUVD) identifier?: Yes. CVE-2025-14340 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207823.
When was CVE-2025-14340 published?: CVE-2025-14340 was published on 2026-02-18 and last updated on 2026-06-17.

References

https://docs.payara.fish/enterprise/docs/Security/Security%20Fix%20List.html

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