What the vulnerability does
01Description
Missing Authorization vulnerability in BoldGrid Client Invoicing by Sprout Invoices sprout-invoices allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Client Invoicing by Sprout Invoices: from n/a through <= 20.8.7.
Explanation of Vulnerability in Simple Terms
02Summary
Client Invoicing by Sprout Invoices versions 20.8.7 and earlier lack proper authorization checks, allowing authenticated users to modify invoice data they should not have access to. An attacker with a low-privilege account can alter invoices belonging to other users or organizations. The vulnerability requires an existing user account but no additional user interaction.
What an attacker can do
03Attacker Capabilities
Modify invoices belonging to other users or organizations without authorization.
Potential impact on your site
04Site Impact
Invoice data integrity is at risk; users may alter financial records they should not control.
Conditions required to exploit
05Prerequisites
Attacker must have a valid low-privilege user account on the site.
Key dates
06Disclosure timeline
October 29, 2025
CVE published
April 28, 2026
Record updated