CVE-2026-86603: WP Recipe Maker information disclosure in AJAX action

CVE-2026-86603 · Severity: medium · CVSS 4.3 · Published 2026-09-23

The WP Recipe Maker WordPress plugin before version 10.8.2 fails to properly verify permissions in one of its AJAX functions, allowing any logged-in user to view private list titles and IDs belonging to other users. This information disclosure could help attackers identify and target other users' content.

Technologies: WP Recipe Maker. Vendors: WP Recipe Maker.

Quick answers

Is CVE-2026-86603 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-86603 being exploited in the wild.
How severe is CVE-2026-86603?
Medium severity, with a CVSS score of 4.3, published 23 September 2026.
Which products and versions are affected?
WP Recipe Maker before 10.8.2.
Is there a fix for CVE-2026-86603?
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-2026-86603 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-86603?
Check whether you run WP Recipe Maker 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 an authorization bypass (CWE-200) in an AJAX action handler that lacks proper capability checks. Any authenticated user (including those with subscriber-level permissions) can call the affected AJAX function to retrieve sensitive metadata (IDs and titles) from unpublished lists owned by other users. The issue is resolved in version 10.8.2.

Affected products

  • WP Recipe Maker WP Recipe Maker before 10.8.2

Timeline

  • 2026-09-21: disclosed

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.