Auth bypass in Ux-Themes Flatsome

CVE-2026-57729

Missing Authorization vulnerability in UX-themes Flatsome flatsome allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Flatsome: from n/a through <= 3.20.5.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (31.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.6% 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-2026-57729: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-57729?
CVE-2026-57729 is a high-severity vulnerability in Ux-Themes Flatsome, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-07-13.
How severe is CVE-2026-57729?
High severity. CVSS v3 base score is 7.5 out of 10.