How severe is CVE-2025-39538?

CVE-2025-39538 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-39538 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-39538?

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

Does CVE-2025-39538 have an EU (EUVD) identifier?

Yes. CVE-2025-39538 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11333.

When was CVE-2025-39538 published?

CVE-2025-39538 was published on 2025-04-16 and last updated on 2026-06-17.

CVE-2025-39538

CVE-2025-39538 is a medium-severity vulnerability with a CVSS 3.x base score of 6.6. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-11333
Weakness: CWE-434
Published: 2025-04-16
Last modified: 2026-06-17

Description

Unrestricted Upload of File with Dangerous Type vulnerability in Mathieu Chartier WP-Advanced-Search wp-advanced-search allows Upload a Web Shell to a Web Server.This issue affects WP-Advanced-Search: from n/a through <= 3.3.9.4.

Frequently asked questions

What is CVE-2025-39538?: Unrestricted Upload of File with Dangerous Type vulnerability in Mathieu Chartier WP-Advanced-Search wp-advanced-search allows Upload a Web Shell to a Web Server.This issue affects WP-Advanced-Search: from n/a through <= 3.3.9.4.
How severe is CVE-2025-39538?: CVE-2025-39538 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-39538 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-39538?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-39538 have an EU (EUVD) identifier?: Yes. CVE-2025-39538 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11333.
When was CVE-2025-39538 published?: CVE-2025-39538 was published on 2025-04-16 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/wp-advanced-search/vulnerability/wordpress-wp-advanced-search-3-3-9-3-arbitrary-file-upload-vulnerability?_s_id=cve

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