How severe is CVE-2026-42411?

CVE-2026-42411 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-42411 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-42411?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-42411 have an EU (EUVD) identifier?

Yes. CVE-2026-42411 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36814.

When was CVE-2026-42411 published?

CVE-2026-42411 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2026-42411

CVE-2026-42411 is a high-severity vulnerability with a CVSS 3.x base score of 8.1. 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: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36814
Weakness: CWE-288
Published: 2026-06-15
Last modified: 2026-06-17

Description

Unauthenticated Broken Authentication in CloudSecure WP Security <= 1.4.7 versions.

Frequently asked questions

What is CVE-2026-42411?: Unauthenticated Broken Authentication in CloudSecure WP Security <= 1.4.7 versions.
How severe is CVE-2026-42411?: CVE-2026-42411 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-42411 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-42411?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-42411 have an EU (EUVD) identifier?: Yes. CVE-2026-42411 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36814.
When was CVE-2026-42411 published?: CVE-2026-42411 was published on 2026-06-15 and last updated on 2026-06-17.

References

https://patchstack.com/database/wordpress/plugin/cloudsecure-wp-security/vulnerability/wordpress-cloudsecure-wp-security-plugin-1-4-7-broken-authentication-vulnerability?_s_id=cve

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