Insecure Direct Object Reference in WP Recipe Maker Plugin by WordPress
CVE-2026-1558

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
WP Recipe Maker
Vendor
CVE Published:
27 February 2026

What is CVE-2026-1558?

The WP Recipe Maker plugin for WordPress contains a vulnerability that allows unauthenticated users to exploit the /wp-json/wp-recipe-maker/v1/integrations/instacart REST API endpoint. The permission_callback for this endpoint is incorrectly set to __return_true, thereby bypassing necessary authorization checks. This oversight enables attackers to manipulate the recipeId parameter to overwrite arbitrary post metadata (specifically wprm_instacart_combinations) for any post ID present on the site, leading to potential data integrity issues.

Affected Version(s)

WP Recipe Maker 0 <= 10.3.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/wp-recipe-make...
https://plugins.trac.wordpress.org/browser/wp-recipe-make...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Quốc Huy
.