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CVE-2026-3567

MEDIUM 5.3 CVSS 3.1
Published
March 21, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

The RepairBuddy – Repair Shop CRM & Booking Plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 4.1132. The plugin exposes two AJAX handlers that, when combined, allow any authenticated user to modify admin-level plugin settings. First, the wc_rb_get_fresh_nonce() function (registered via wp_ajax and wp_ajax_nopriv hooks) allows any user to generate a valid WordPress nonce for any arbitrary action name by simply providing the nonce_name parameter, with no capability checks. Second, the wc_rep_shop_settings_submission() function only verifies the nonce (wcrb_main_setting_nonce) but performs no current_user_can() capability check before updating 15+ plugin options via update_option(). This makes it possible for authenticated attackers, with subscriber-level access and above, to modify all plugin configuration settings including business name, email, logo, menu label, GDPR settings, and more by first minting a valid nonce via the wc_rb_get_fresh_nonce endpoint and then calling the settings submission handler.

Affected WordPress components

  • RepairBuddy – Repair Shop CRM & Booking Plugin for WordPress Plugin · computer-repair-shop
    Possible match Active
    Up to and including 4.1132
    View on WordPress.org
  • Computer Repair Shop Theme · computer-repair-shop
    Possible match Active
    Up to and including 4.1132
    View on WordPress.org

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

  • sweetdaisy86 RepairBuddy – Repair Shop CRM & Booking Plugin for WordPress — Up to and including 4.1132

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/computer-repair-shop/tags/4.1121/lib/includes/main_page.php#L1080
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/computer-repair-shop/tags/4.1121/lib/shortcodes/book_my_service.php#L1142
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/computer-repair-shop/trunk/lib/includes/main_page.php#L1080
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/computer-repair-shop/trunk/lib/shortcodes/book_my_service.php#L1142
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3477889%40computer-repair-shop&new=3477889%40computer-repair-shop&sfp_email=&sfph_mail=
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/bb4b3778-7211-4a56-a2e5-1f455f356dd5?source=cve
  • nvd.nist.gov Official NVD record