Auth bypass in Brainstormforce Spectra Legacy – Gutenberg Blocks

CVE-2026-92294

The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to limited file deletion due to insufficient file path validation in the '__construct' function in all versions up to, and including, 2.20.4 This makes it possible for unauthenticated attackers to delete theme files on the server.

Vulnerability class: Broken Access Control

Published .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (38.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-92294?
CVE-2026-92294 is a medium-severity vulnerability in Brainstormforce Spectra Legacy – Gutenberg Blocks, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-31.
How severe is CVE-2026-92294?
Medium severity. CVSS v3 base score is 6.5 out of 10.