How severe is CVE-2025-4258?

CVE-2025-4258 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-4258 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4258?

CVE-2025-4258 affects Zhangyanbo2007 Youkefu. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-4258?

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

Does CVE-2025-4258 have an EU (EUVD) identifier?

Yes. CVE-2025-4258 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13333.

When was CVE-2025-4258 published?

CVE-2025-4258 was published on 2025-05-05 and last updated on 2026-06-17.

CVE-2025-4258

CVE-2025-4258 is a medium-severity vulnerability in Zhangyanbo2007 Youkefu with a CVSS 3.x base score of 6.3. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 5.3
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-13333
Weakness: CWE-284
Affected product: Zhangyanbo2007 Youkefu
Published: 2025-05-05
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, was found in zhangyanbo2007 youkefu up to 4.2.0. Affected is the function Upload of the file \youkefu-master\src\main\java\com\ukefu\webim\web\handler\resource\MediaController.java. The manipulation of the argument imgFile leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-4258?: A vulnerability, which was classified as critical, was found in zhangyanbo2007 youkefu up to 4.2.0. Affected is the function Upload of the file \youkefu-master\src\main\java\com\ukefu\webim\web\handler\resource\MediaController.java. The manipulation of the argument imgFile leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-4258?: CVE-2025-4258 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-4258 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4258?: CVE-2025-4258 affects Zhangyanbo2007 Youkefu. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-4258?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4258 have an EU (EUVD) identifier?: Yes. CVE-2025-4258 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13333.
When was CVE-2025-4258 published?: CVE-2025-4258 was published on 2025-05-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zhangyanbo2007:youkefu:*:*:*:*:*:*:*:*

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