WordPress security changelog
CRITICAL CVE-2026-40783 Deferred

Blocksy Companion Pro: Code execution

Blocksy Companion Pro is affected by code execution. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can run attacker-controlled code in the WordPress hosting account. The published affected range is n/a through 2.1.37.

CVE / CNA score 9.9 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Blocksy Companion Pro
Plugin slug
blocksy-companion-pro
Affected
n/a through 2.1.37
Safe version
2.1.38
Published
Jun 17, 2026
Weakness
CWE-94 — Improper Control of Generation of Code ('Code Injection')

This CVE was published Jun 17, 2026 and is one of 5 known issues for this plugin.

What to do

Patch or disable the affected component.

Update Blocksy Companion Pro to 2.1.38 or later, or disable and remove it until a fixed version is available.

Source record

Technical description

Contributor Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.37 versions.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

Primary and upstream sources