Vulnerability · Published Aug 24, 2026 · Assigned by Patchstack

CVE-2026-78278WordPress Fluent Boards Pro plugin <= 2.0.11 - Insecure Direct Object References (IDOR) vulnerability

Medium 5.3

In plain English

A medium-severity authorization bypass via user-controlled key in Fluent Boards Pro from WP ManageNinja LLC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 75.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Subscriber Insecure Direct Object References (IDOR) in Fluent Boards Pro <= 2.0.11 versions.

Affected products (as reported)

VendorProductVersions
WP ManageNinja LLC Fluent Boards Pro n/a – through 2.0.11

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References