How severe is CVE-2026-42378?

CVE-2026-42378 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-42378 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-2026-42378?

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

Does CVE-2026-42378 have an EU (EUVD) identifier?

Yes. CVE-2026-42378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36810.

When was CVE-2026-42378 published?

CVE-2026-42378 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2026-42378

CVE-2026-42378 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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-288.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36810
Weakness: CWE-288
Published: 2026-06-15
Last modified: 2026-06-17

Description

Subscriber Broken Authentication in WP Full Stripe Free <= 8.4.1 versions.

Frequently asked questions

What is CVE-2026-42378?: Subscriber Broken Authentication in WP Full Stripe Free <= 8.4.1 versions.
How severe is CVE-2026-42378?: CVE-2026-42378 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-42378 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-2026-42378?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-42378 have an EU (EUVD) identifier?: Yes. CVE-2026-42378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36810.
When was CVE-2026-42378 published?: CVE-2026-42378 was published on 2026-06-15 and last updated on 2026-06-17.

References

https://patchstack.com/database/wordpress/plugin/wp-full-stripe-free/vulnerability/wordpress-wp-full-stripe-free-plugin-8-4-1-broken-authentication-vulnerability?_s_id=cve

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