How severe is CVE-2025-31376?

CVE-2025-31376 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-31376 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-31376?

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

Does CVE-2025-31376 have an EU (EUVD) identifier?

Yes. CVE-2025-31376 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8744.

When was CVE-2025-31376 published?

CVE-2025-31376 was published on 2025-03-31 and last updated on 2026-06-17.

CVE-2025-31376

CVE-2025-31376 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-8744
Weakness: CWE-862
Published: 2025-03-31
Last modified: 2026-06-17

Description

Missing Authorization vulnerability in Mayeenul Islam NanoSupport nanosupport allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects NanoSupport: from n/a through <= 0.6.0.

Frequently asked questions

What is CVE-2025-31376?: Missing Authorization vulnerability in Mayeenul Islam NanoSupport nanosupport allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects NanoSupport: from n/a through <= 0.6.0.
How severe is CVE-2025-31376?: CVE-2025-31376 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-31376 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-31376?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-31376 have an EU (EUVD) identifier?: Yes. CVE-2025-31376 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8744.
When was CVE-2025-31376 published?: CVE-2025-31376 was published on 2025-03-31 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/nanosupport/vulnerability/wordpress-nanosupport-plugin-0-6-0-broken-access-control-vulnerability?_s_id=cve

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