How severe is CVE-2026-40730?

CVE-2026-40730 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-40730 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-40730?

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

Does CVE-2026-40730 have an EU (EUVD) identifier?

Yes. CVE-2026-40730 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22887.

When was CVE-2026-40730 published?

CVE-2026-40730 was published on 2026-04-15 and last updated on 2026-06-17.

CVE-2026-40730

CVE-2026-40730 is a medium-severity vulnerability with a CVSS 3.x 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22887
Weakness: CWE-862
Published: 2026-04-15
Last modified: 2026-06-17

Description

Missing Authorization vulnerability in ThemeGrill ThemeGrill Demo Importer themegrill-demo-importer allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects ThemeGrill Demo Importer: from n/a through <= 2.0.0.6.

Frequently asked questions

What is CVE-2026-40730?: Missing Authorization vulnerability in ThemeGrill ThemeGrill Demo Importer themegrill-demo-importer allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects ThemeGrill Demo Importer: from n/a through <= 2.0.0.6.
How severe is CVE-2026-40730?: CVE-2026-40730 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-40730 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-40730?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40730 have an EU (EUVD) identifier?: Yes. CVE-2026-40730 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22887.
When was CVE-2026-40730 published?: CVE-2026-40730 was published on 2026-04-15 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/themegrill-demo-importer/vulnerability/wordpress-themegrill-demo-importer-plugin-2-0-0-6-broken-access-control-vulnerability?_s_id=cve

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