CVE-2026-40783

Name: CVE-2026-40783
Creator: NVD / NIST
Published: 2026-06-17T13:20:38.09+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.9/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2026-40783 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. Contributor Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.37 versions.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.9/10

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

EPSS Probability

0.54%

41.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

References

https://patchstack.com/database/wordpress/plugin/blocksy-companion-pro/vulnerability/wordpress-blocksy-companion-pro-plugin-2-1-37-remote-code-execution-rce-vulnerability?_s_id=cve

Timeline

Published: Jun 17, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-40783?

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

How severe is CVE-2026-40783?

CVE-2026-40783 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2026-40783?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-40783?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST