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CVE-2026-89274

CRITICAL 9.1 CVSS 3.1
Published
September 19, 2026
Last modified
September 21, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-94
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Description

The WP Recipe Maker plugin for WordPress is vulnerable to Arbitrary Shortcode Execution in all versions up to, and including, 10.8.1. The vulnerability exists because `WPRM_Metadata::sanitize_metadata()` recursively calls `do_shortcode()` on every scalar field of the recipe's structured metadata array — including the `reviewBody` field, which is populated verbatim from the `comment_content` of approved `wprm-comment-rating` comments — without sanitizing or stripping shortcode tokens before execution; the subsequent `wp_strip_all_tags()` and `strip_shortcodes()` calls operate only on the output string after execution has already fully occurred, providing no protection against server-side shortcode invocation. This makes it possible for unauthenticated attackers to execute arbitrary registered WordPress shortcodes server-side on every recipe page render, causing shortcode output — such as attachment captions, private post fields, or other data exposed by installed shortcodes — to be embedded in the page's JSON-LD `reviewBody` metadata and disclosed to all visitors who load the recipe page. Successful exploitation requires the attacker's rated comment to pass the site's comment approval threshold, either via auto-approval or moderator action, before the injected shortcode begins executing on page loads.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • brechtvds WP Recipe Maker — Up to and including 10.8.1

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-recipe-maker/tags/10.8.1/includes/public/class-wprm-metadata.php#L1028
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-recipe-maker/tags/10.8.1/includes/public/class-wprm-metadata.php#L181
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-recipe-maker/tags/10.8.1/includes/public/class-wprm-metadata.php#L553
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3699793%40wp-recipe-maker&new=3699793%40wp-recipe-maker
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/d6ad49ff-85eb-4d05-ba23-51d89695add3?source=cve
  • nvd.nist.gov Official NVD record