How severe is CVE-2025-66140?

CVE-2025-66140 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-66140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-66140?

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

Does CVE-2025-66140 have an EU (EUVD) identifier?

Yes. CVE-2025-66140 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4065.

When was CVE-2025-66140 published?

CVE-2025-66140 was published on 2026-01-22 and last updated on 2026-06-17.

CVE-2025-66140

CVE-2025-66140 is a medium-severity vulnerability with a CVSS 3.x base score of 5.4. 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 5.4)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4065
Weakness: CWE-862
Published: 2026-01-22
Last modified: 2026-06-17

Description

Missing Authorization vulnerability in merkulove Uper for Elementor uper-elementor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Uper for Elementor: from n/a through <= 1.0.5.

Frequently asked questions

What is CVE-2025-66140?: Missing Authorization vulnerability in merkulove Uper for Elementor uper-elementor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Uper for Elementor: from n/a through <= 1.0.5.
How severe is CVE-2025-66140?: CVE-2025-66140 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-66140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-66140?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-66140 have an EU (EUVD) identifier?: Yes. CVE-2025-66140 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4065.
When was CVE-2025-66140 published?: CVE-2025-66140 was published on 2026-01-22 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/uper-elementor/vulnerability/wordpress-uper-for-elementor-plugin-1-0-5-broken-access-control-vulnerability?_s_id=cve

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