CVE-2026-107645 Blocksy Companion WordPress Plugin - Privilege Escalation

Blocksy Companion WordPress plugin <= 2.1.58 contains a privilege escalation caused by disabling Dokan's vendor-registration nonce check and trusting attacker-supplied role in AJAX handler, letting unauthenticated attackers elevate to vendor and auto-authenticate.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.29% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
10 October 2026
Updated
15 October 2026
Weakness
CWE-269

Vendor fix

Update to the latest version beyond 2.1.58.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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