Quick answers
- Is CVE-2026-90966 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-90966 being exploited in the wild.
- How severe is CVE-2026-90966?
- 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-2026-90966?
- 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-2026-90966 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-90966?
- 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
The ere_free_package_ajax AJAX action fails to verify that a selected listing package is genuinely free or that the requesting user is entitled to activate it, permitting a self-registered customer with basic account privileges (Customer+) to bypass access controls. An attacker can activate premium paid packages at no cost and cause the system to generate paid invoices at full price, exploiting broken authorization logic.
Affected products
- Essential Real Estate Essential Real Estate before 5.3.5
Timeline
- 2026-11-02: disclosed
- 2026-11-05: advisory