# CVE-2026-97183: WP-Invoice missing capability checks in AJAX handlers

Source: https://junglewise.ai/threats/cve-2026-97183-the-wp-invoice-wordpress-plugin-through-4-3-1-does-not-perform  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-11. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-97183 · Severity: medium · CVSS 4.3 · Published 2026-10-11

WP-Invoice is a WordPress plugin for managing invoicing and payment workflows. The plugin fails to properly verify user permissions in several AJAX actions, allowing any authenticated user—even those with minimal privileges like Subscribers—to retrieve sensitive personal information about all registered site users, including email addresses and profile details.

Vendors: [Automattic](https://junglewise.ai/threats/vendors/automattic).

## Quick answers

**Is CVE-2026-97183 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-97183 being exploited in the wild.

**How severe is CVE-2026-97183?** Medium severity, with a CVSS score of 4.3, published 11 October 2026.

**Which products and versions are affected?** Automattic WP-Invoice through 4.3.1.

**Is there a fix for CVE-2026-97183?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-97183 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-97183?** Check whether you run Automattic WP-Invoice at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a missing authorization check (CWE-200) in multiple AJAX handlers that expose user PII endpoints. Any authenticated user can call these handlers to retrieve email addresses, display names, and profile details of all site users without requiring elevated privileges. The attack requires user authentication but no other preconditions; a fix is not yet publicly available as of the advisory date.

## Affected products

- Automattic WP-Invoice through 4.3.1

## Timeline

- 2026-10-09: disclosed
- 2026-10-11: advisory

## References

- [https://wpscan.com/vulnerability/a1aead4e-ea00-4f05-9c96-52196d7c9f33/](https://wpscan.com/vulnerability/a1aead4e-ea00-4f05-9c96-52196d7c9f33/)