CVE-2026-39476 MEDIUM

CVE-2026-39476: WordPress User Feedback plugin <= 1.10.1 - Broken Access Control vulnerability

Vendor Syed Balkhi
Product User Feedback
Weakness CWE-862 · Missing authorization
Published April 8, 2026
Last update April 29, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

Missing Authorization vulnerability in Syed Balkhi User Feedback userfeedback-lite allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects User Feedback: from n/a through <= 1.10.1.

Explanation of Vulnerability in Simple Terms

02Summary

User Feedback through version 1.10.1 fails to properly check user permissions before allowing access to feedback data. A logged-in user with low privileges can read feedback submitted by other users, including potentially sensitive information. The vulnerability requires an active user account but no special interaction from the victim.

What an attacker can do

03Attacker Capabilities

Read feedback data submitted by other users on the site.

Potential impact on your site

04Site Impact

User feedback intended to be private may be exposed to other registered users.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account and network access to the site.

Key dates

06Disclosure timeline

April 8, 2026 CVE published
April 29, 2026 Record updated

Related vulnerabilities

08Related CVE