How severe is CVE-2025-6397?

CVE-2025-6397 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.

Is CVE-2025-6397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-6397?

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-2025-6397 have an EU (EUVD) identifier?

Yes. CVE-2025-6397 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206769.

When was CVE-2025-6397 published?

CVE-2025-6397 was published on 2026-02-03 and last updated on 2026-06-17.

CVE-2025-6397

CVE-2025-6397 is a high-severity vulnerability with a CVSS 3.x base score of 8.6. 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 3.x base score 8.6)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206769
Weakness: CWE-79
Published: 2026-02-03
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Ankara Hosting Website Design Website Software allows Reflected XSS. This issue affects Website Software: through 03022026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-6397?: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Ankara Hosting Website Design Website Software allows Reflected XSS. This issue affects Website Software: through 03022026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-6397?: CVE-2025-6397 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
Is CVE-2025-6397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-6397?: 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-2025-6397 have an EU (EUVD) identifier?: Yes. CVE-2025-6397 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206769.
When was CVE-2025-6397 published?: CVE-2025-6397 was published on 2026-02-03 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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