CVE-2026-40783
WordPress Blocksy Companion Pro plugin <= 2.1.37 - Remote Code Execution (RCE) vulnerability
Contributor Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.37 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
WordPress Blocksy Companion Pro plugin <= 2.1.37 - Remote Code Execution (RCE) vulnerability
Contributor Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.37 versions.
- Record
CVE-2026-40783- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2026-37605
Contributor Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.37 versions.
- Record
EUVD-2026-37605- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9px2-42wj-2333
Contributor Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.37 versions.
Contributor Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.37 versions.
- Record
GHSA-9px2-42wj-2333- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
Contributor Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.37 versions.
- Record
CVE-2026-40783- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-40783 is a critical vulnerability (CVSS 9.9) in Creative Themes Blocksy Companion Pro, published June 17, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. No source names a fixed version.