# CVE-2026-90967: Essential Real Estate IDOR in invoice rendering

Source: https://junglewise.ai/threats/cve-2026-90967-the-essential-real-estate-wordpress-plugin-before-5-3-5-does-not  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-05. Updated: 2026-11-05  
License: CC BY 4.0 with a link back

CVE-2026-90967 · Severity: info · Published 2026-11-05

The Essential Real Estate WordPress plugin contains a flaw that allows authenticated users with low privileges to view invoices belonging to other users without permission. An attacker can access sensitive financial information, customer names, email addresses, and invoice details of other customers through manipulation of the plugin's AJAX actions.

Technologies: [Essential Real Estate](https://junglewise.ai/threats/technologies/essential-real-estate). Vendors: [Essential Real Estate](https://junglewise.ai/threats/vendors/essential-real-estate).

## Quick answers

**Is CVE-2026-90967 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-90967 being exploited in the wild.

**How severe is CVE-2026-90967?** Informational severity, published 5 November 2026.

**Which products and versions are affected?** Essential Real Estate before 5.3.5.

**Is there a fix for CVE-2026-90967?** Yes: fixed in 5.3.5. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-90967 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-90967?** Check whether you run Essential Real Estate 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.

## How to fix

- Fixed in 5.3.5

## Technical details

This is an Insecure Direct Object Reference (IDOR) vulnerability in the plugin's AJAX action handlers that render invoices. The plugin fails to verify that the authenticated user owns the invoice before displaying it. An authenticated user with low-level privileges can bypass ownership checks to read arbitrary invoices and their associated PII.

## Affected products

- Essential Real Estate Essential Real Estate before 5.3.5

## Timeline

- 2026-11-02: disclosed
- 2026-11-05: advisory

## References

- [https://wpscan.com/vulnerability/745cf24b-2dbd-41ea-b26d-d1c6f0a25de9/](https://wpscan.com/vulnerability/745cf24b-2dbd-41ea-b26d-d1c6f0a25de9/)

## Related threats

- [Essential Real Estate WordPress plugin arbitrary paid package activation in AJAX](https://junglewise.ai/threats/cve-2026-90966-the-essential-real-estate-wordpress-plugin-before-5-3-5-does-not)
- [Essential Real Estate WordPress plugin arbitrary email sending](https://junglewise.ai/threats/cve-2026-90964-the-essential-real-estate-wordpress-plugin-before-5-3-5-does-not)
- [Essential Real Estate WordPress plugin authorization bypass in AJAX](https://junglewise.ai/threats/cve-2026-90963-the-essential-real-estate-wordpress-plugin-before-5-3-5-does-not)
- [Essential Real Estate PHP Object Injection](https://junglewise.ai/threats/cve-2026-32465-essential-real-estate-php-object-injection)