CVE-2026-25419 MEDIUM

CVE-2026-25419: WordPress UpsellWP plugin <= 2.2.5 - Broken Access Control vulnerability

Vendor Flycart
Product UpsellWP
Weakness CWE-862 · Missing authorization
Published February 19, 2026
Last update April 28, 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 flycart UpsellWP checkout-upsell-and-order-bumps allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects UpsellWP: from n/a through <= 2.2.5.

Explanation of Vulnerability in Simple Terms

02Summary

UpsellWP versions 2.2.5 and earlier lack proper authorization checks, allowing authenticated users to access sensitive information they should not be able to view. An attacker with a low-privilege account can read data intended for higher-privilege users. The vulnerability requires valid login credentials but no additional user interaction.

What an attacker can do

03Attacker Capabilities

Read sensitive data belonging to other users or restricted areas of the site.

Potential impact on your site

04Site Impact

User data and site information may be exposed to authenticated attackers with minimal account privileges.

Conditions required to exploit

05Prerequisites

Valid login account with low-level privileges; network access to the site.

Key dates

06Disclosure timeline

February 19, 2026 CVE published
April 28, 2026 Record updated