How severe is CVE-2025-6509?

CVE-2025-6509 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-6509 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-2025-6509?

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

Does CVE-2025-6509 have an EU (EUVD) identifier?

Yes. CVE-2025-6509 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18896.

When was CVE-2025-6509 published?

CVE-2025-6509 was published on 2025-06-23 and last updated on 2026-06-17.

CVE-2025-6509

CVE-2025-6509 is a low-severity vulnerability with a CVSS 3.x base score of 3.5. 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: Low (CVSS 3.x base score 3.5)
CVSS v2: 4.0
CVSS v4: 2.0
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18896
Weakness: CWE-79
Published: 2025-06-23
Last modified: 2026-06-17

Description

A vulnerability was found in seaswalker spring-analysis up to 4379cce848af96997a9d7ef91d594aa129be8d71. It has been declared as problematic. Affected by this vulnerability is the function echo of the file /src/main/java/controller/SimpleController.java. The manipulation of the argument Name leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available.

Frequently asked questions

What is CVE-2025-6509?: A vulnerability was found in seaswalker spring-analysis up to 4379cce848af96997a9d7ef91d594aa129be8d71. It has been declared as problematic. Affected by this vulnerability is the function echo of the file /src/main/java/controller/SimpleController.java. The manipulation of the argument Name leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available.
How severe is CVE-2025-6509?: CVE-2025-6509 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-6509 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-2025-6509?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6509 have an EU (EUVD) identifier?: Yes. CVE-2025-6509 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18896.
When was CVE-2025-6509 published?: CVE-2025-6509 was published on 2025-06-23 and last updated on 2026-06-17.

References

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