CVE-2026-40783: WordPress Blocksy Companion Pro plugin <= 2.1.37 - Remote Code Execution (RCE) vulnerability
Published Jun 17, 2026
·Updated
Contributor Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.37 versions.
Affected Software
1 affected component
creativethemes Blocksy Companion Pro<=2.1.37
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
WordPress Blocksy Companion Proto a version that resolves this vulnerability.Fixed in 2.1.38
Event History
Jun 17, 2026
CVE Published
via MITRE·09:51 AM
Data Sourced
via MITRE·09:51 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·01:20 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-40783?
CVE-2026-40783 has a critical severity score of 9.9.
2
How does CVE-2026-40783 affect the Blocksy Companion Pro plugin?
CVE-2026-40783 allows for remote code execution vulnerabilities in Blocksy Companion Pro versions 2.1.37 and below.
3
What versions of Blocksy Companion Pro are vulnerable to CVE-2026-40783?
Blocksy Companion Pro versions up to and including 2.1.37 are susceptible to CVE-2026-40783.
4
How can I mitigate the risks associated with CVE-2026-40783?
To mitigate CVE-2026-40783, upgrade the Blocksy Companion Pro plugin to a version higher than 2.1.37.
5
What types of attacks are possible due to CVE-2026-40783?
CVE-2026-40783 can enable attackers to execute malicious code on the affected WordPress site.