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Vulnerabilities

Vulnerability · CVE-2025-66166

Missing Authorization vulnerability in merkulove Lottier for Elementor lottier-elementor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects

Published Dec 16, 2025 · catalog updated Apr 28, 2026 · Merkulove Lottier for Elementor

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-66166. EPSS is 0.20%. Act only if a listed version of Merkulove Lottier for Elementor is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.20%
Remediation
Advisory link
Affected products
vendor Merkulove Lottier for Elementor 0 ≤1.0.9

Missing Authorization vulnerability in merkulove Lottier for Elementor lottier-elementor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Lottier for Elementor: from n/a through <= 1.0.9.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Merkulove Lottier for Elementor 0 ≤1.0.90 ≤1.0.9

How to fix CVE-2025-66166

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-66166. EPSS is 0.20%. Act only if a listed version of Merkulove Lottier for Elementor is installed.

Which versions are affected?

Compare what you have installed with Merkulove Lottier for Elementor 0 ≤1.0.9 0 ≤1.0.9. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.20%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 16, 2025 · EUVD

    Detected

    Missing Authorization vulnerability in merkulove Lottier for Elementor lottier-elementor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Lottier for Elementor: from n/a through <= 1.0.9.

  2. Apr 28, 2026 · EUVD

    Updated

    Missing Authorization vulnerability in merkulove Lottier for Elementor lottier-elementor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Lottier for Elementor: from n/a through <= 1.0.9.

Sources

  • CVE.orgVulnerability recordCVE-2025-66166

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-66166

    30-day exploitation probability 0.20%

    first.org
  • EUVDVulnerability recordEUVD-2025-203569

    Missing Authorization vulnerability in merkulove Lottier for Elementor lottier-elementor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Lottier for Elementor: from n/a through <= 1.0.9.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 29, 2026
  • EUVDOct 29, 2026