Cross Site Scripting Vulnerability in Fluent Boards Pro by WordPress
CVE-2026-78273

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Fluent Boards Pro
Vendor
CVE Published:
27 August 2026

What is CVE-2026-78273?

A Cross Site Scripting (XSS) vulnerability has been identified in Fluent Boards Pro versions up to 2.0.11. This flaw could allow an attacker to inject malicious scripts into web pages viewed by users, potentially leading to unauthorized access or data theft. It is crucial for users of affected versions to apply updates to mitigate this security risk.

Affected Version(s)

Fluent Boards Pro <= 2.0.11

References

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

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
.