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Client Invoicing by Sprout Invoices <= 20.8.0 — Insecure Direct Object Reference

CVE-2024-53819Published · Updated

Action summary

Affected: ≤20.8.0Update to 20.8.1 or newer

All remediation steps
Watch plugin
Severity
Medium5.3
CVSS
5.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:L Confidentiality
Low
I:N Integrity
None
A:N Availability
None
Weakness
CWE-639 Authorization Bypass Through User-Controlled Key
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Sprout Invoices – Client Invoicing & Estimates sprout-invoices

  1. Affected≤ 20.8.0
  2. Patched in20.8.1

Update to 20.8.1 or newer.

You are affected if you run ≤ 20.8.0. Version 20.8.1 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Sprout Invoices – Client Invoicing & Estimates.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 20.8.1, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Sprout Invoices – Client Invoicing & Estimates to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Manab Jyoti Dowarah.

The Client Invoicing by Sprout Invoices – Easy Estimates and Invoices for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 20.8.0 due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to act on objects they shouldn't be able to manipulate.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Sprout Invoices – Client Invoicing & Estimates

All 13
More vulnerabilities in Sprout Invoices – Client Invoicing & Estimates
SeverityVulnerabilityCVEPublished
Medium5.3Unauthenticated Insecure Direct Object Reference
≤20.8.17Update to 20.8.18
CVE-2026-97078
Medium4.3Authenticated (Subscriber+) Insecure Direct Object Reference
<20.8.16Update to 20.8.16
CVE-2026-87797
Medium4.3Missing Authorization
≤20.8.13Update to 20.8.14
CVE-2026-57418
Medium5.3Missing Authorization
≤20.8.10Update to 20.8.11
CVE-2026-39562
High7.5Authenticated (Author+) Local File Inclusion
≤20.8.9Update to 20.8.10
CVE-2026-32401

Timeline

  1. CVE published

    Severity medium, CVSS 5.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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