CVE-2026-39562 WordPress Client Invoicing by Sprout Invoices plugin <= 20.8.10 - Broken Access Control vulnerability

Medium 5.3 Published Updated

Attackers can bypass access controls to read or modify invoicing data in the Sprout Invoices WordPress plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-39562?

CVE-2026-39562 is a medium-severity missing authorization vulnerability in BoldGrid Client Invoicing by Sprout Invoices, published on 8 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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 <= 20.8.10.

Weakness: CWE-862

Which versions are affected by CVE-2026-39562?

How do I fix CVE-2026-39562?

No fix has been published for CVE-2026-39562 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-39562 being exploited?

There is no known exploitation of CVE-2026-39562 in the wild and no public exploit code.

Sources

Also known as GHSA-h79p-78jp-h5vc.

Is CVE-2026-39562 in your software?

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