Auth bypass in Merkulove Crumber

CVE-2025-66143

Missing Authorization vulnerability in merkulove Crumber crumber-elementor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Crumber: from n/a through <= 1.0.10.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (22.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-66143: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-66143?
CVE-2025-66143 is a medium-severity vulnerability in Merkulove Crumber, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-01-22.
How severe is CVE-2025-66143?
Medium severity. CVSS v3 base score is 5.4 out of 10.