How severe is CVE-2025-31339?

CVE-2025-31339 has a CVSS 4.0 base score of 5.3, rated medium severity.

Is CVE-2025-31339 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-31339?

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

Does CVE-2025-31339 have an EU (EUVD) identifier?

Yes. CVE-2025-31339 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11524.

When was CVE-2025-31339 published?

CVE-2025-31339 was published on 2025-04-17 and last updated on 2026-06-17.

CVE-2025-31339

CVE-2025-31339 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.3. 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-434.

Key facts

Severity: Medium (CVSS 4.0 base score 5.3)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-11524
Weakness: CWE-434
Published: 2025-04-17
Last modified: 2026-06-17

Description

An unrestricted upload of file with dangerous type vulnerability in the course management function of Wisdom Master Pro versions 5.0 through 5.2 allows remote authenticated users to craft a malicious file.

Frequently asked questions

What is CVE-2025-31339?: An unrestricted upload of file with dangerous type vulnerability in the course management function of Wisdom Master Pro versions 5.0 through 5.2 allows remote authenticated users to craft a malicious file.
How severe is CVE-2025-31339?: CVE-2025-31339 has a CVSS 4.0 base score of 5.3, rated medium severity.
Is CVE-2025-31339 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-31339?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-31339 have an EU (EUVD) identifier?: Yes. CVE-2025-31339 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11524.
When was CVE-2025-31339 published?: CVE-2025-31339 was published on 2025-04-17 and last updated on 2026-06-17.

References

https://zuso.ai/advisory/za-2025-02

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