WordPress Blocksy Companion Pro plugin <= 2.1.37 - Remote Code Execution (RCE) vulnerability

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-40783
StatePUBLISHED
AssignerPatchstack
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-17 13:20:38 UTC
Updated2026-06-17 14:44:26 UTC
DescriptionContributor Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.37 versions.

Risk And Classification

Primary CVSS: v3.1 9.9 CRITICAL from [email protected]

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

EPSS: 0.005410000 probability, percentile 0.411230000 (date 2026-06-21)

Problem Types: CWE-94 | CWE-94 CWE-94 Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSS9.9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Creative Themes Blocksy Companion Pro affected n/a 2.1.37 custom Not specified

References

ReferenceSourceLinkTags
patchstack.com/database/wordpress/plugin/blocksy-companion-pro/vulnerability... [email protected] patchstack.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Nguyen Ba Khanh | Patchstack Bug Bounty Program (en)

Additional Advisory Data

Solutions

CNA: Update the WordPress Blocksy Companion Pro Plugin to the latest available version (at least 2.1.38).

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