CVE-2026-54871: ShopBuilder Elementor WooCommerce Builder Addons broken access control

CVE-2026-54871 · Severity: medium · CVSS 5.3 · Published 2026-10-29

ShopBuilder is a WordPress plugin that adds WooCommerce store-building capabilities to the Elementor page builder. A broken access control vulnerability allows unauthenticated attackers to view pages and perform actions they should not be permitted to access, such as viewing other users' data. This could lead to exposure of sensitive customer or store information.

Vendors: Mamunur Rashid.

Quick answers

Is CVE-2026-54871 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-54871 being exploited in the wild.
How severe is CVE-2026-54871?
Medium severity, with a CVSS score of 5.3, published 29 October 2026.
Which products and versions are affected?
Mamunur Rashid ShopBuilder – Elementor WooCommerce Builder Addons through 3.4.2.
Is there a fix for CVE-2026-54871?
Yes: fixed in 3.4.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-54871 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-54871?
Check whether you run Mamunur Rashid ShopBuilder – Elementor WooCommerce Builder Addons 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: 3.4.3

Technical details

A broken access control vulnerability in ShopBuilder allows unauthenticated users to bypass authorization checks and access restricted pages or perform unauthorized actions. The vulnerability affects versions through 3.4.2 and requires no authentication or user interaction. An attacker can exploit this to view other users' data or perform administrative actions without proper permissions.

Affected products

  • Mamunur Rashid ShopBuilder – Elementor WooCommerce Builder Addons through 3.4.2

Timeline

  • 2026-10-29: disclosed

References

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