How severe is CVE-2025-8153?

CVE-2025-8153 has a CVSS 4.0 base score of 5.1, rated medium severity.

Is CVE-2025-8153 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-8153?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-8153 have an EU (EUVD) identifier?

Yes. CVE-2025-8153 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29671.

When was CVE-2025-8153 published?

CVE-2025-8153 was published on 2025-09-17 and last updated on 2026-06-17.

CVE-2025-8153

CVE-2025-8153 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.1. 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: Medium (CVSS 4.0 base score 5.1)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-29671
Weakness: CWE-79
Published: 2025-09-17
Last modified: 2026-06-17

Description

Cross-site Scripting vulnerability in NEC Corporation UNIVERGE IX from Ver.9.5 to Ver.10.7, from Ver.10.8.21 to Ver.10.8.36, from Ver.10.9.11 to Ver.10.9.24, from Ver.10.10.21 to Ver.10.10.31, Ver.10.11.6 and UNIVERGE IX-R/IX-V Ver1.3.16, Ver1.3.21 allows a attacker to inject an arbitrary scripts may be executed on the user's browser.

Frequently asked questions

What is CVE-2025-8153?: Cross-site Scripting vulnerability in NEC Corporation UNIVERGE IX from Ver.9.5 to Ver.10.7, from Ver.10.8.21 to Ver.10.8.36, from Ver.10.9.11 to Ver.10.9.24, from Ver.10.10.21 to Ver.10.10.31, Ver.10.11.6 and UNIVERGE IX-R/IX-V Ver1.3.16, Ver1.3.21 allows a attacker to inject an arbitrary scripts may be executed on the user's browser.
How severe is CVE-2025-8153?: CVE-2025-8153 has a CVSS 4.0 base score of 5.1, rated medium severity.
Is CVE-2025-8153 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-8153?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8153 have an EU (EUVD) identifier?: Yes. CVE-2025-8153 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29671.
When was CVE-2025-8153 published?: CVE-2025-8153 was published on 2025-09-17 and last updated on 2026-06-17.

References

https://jpn.nec.com/security-info/secinfo/nv25-005_en.html

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