Unauthenticated Privilege Escalation in Support Board Plugin by WordPress
CVE-2026-27395

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Support Board
Vendor
CVE Published:
16 June 2026

What is CVE-2026-27395?

The Support Board plugin for WordPress is affected by a vulnerability that allows unauthenticated users to escalate their privileges. This flaw exists in versions prior to 3.8.9, enabling potential attackers to perform actions that should require authentication, thereby compromising the security of the site.

Affected Version(s)

Support Board < 3.8.9

References

https://patchstack.com/database/wordpress/plugin/supportb...
vdb-entry

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Phat RiO | Patchstack Bug Bounty Program
.