WordPress Client Invoicing by Sprout Invoices Plugin <= 20.8.9 is vulnerable to Local File Inclusion

Low priority No impactful threat

<= 20.8.9Vulnerable version(s)

20.8.10Patched version

21 Feb, 2026 by Patchstack

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CVSS 7.2

As immediate action, update the affected plugin. If you're unable to do so, ask your hosting provider or web developer for help.

Attackers can make the site load server files it shouldn't, sometimes leading to takeover.

CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.

This security issue has a low severity impact and is unlikely to be exploited.

Update to version 20.8.10 or later to resolve the vulnerability. Patchstack users can turn on auto-update for vulnerable plugins only.

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Reported by Profile Image

22 Jan, 2026