Flexible Quantity exposes an unauthenticated protected operation
Flexible Quantity – Measurement Price Calculator for WooCommerce through 2.3.21 lacks authorization on an operation reachable without authentication. The CNA vector requires no user interaction and rates integrity impact as low. The authoritative export does not identify the endpoint, action, parameter, protected object, or change an attacker can make.
- Component
- Flexible Quantity – Measurement Price Calculator for WooCommerce
- Affected
- n/a through 2.3.21
- Safe version
2.3.22- Published
- Sep 11, 2026
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Sep 11, 2026 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update Flexible Quantity – Measurement Price Calculator for WooCommerce to 2.3.22 or later. The authoritative affected data explicitly marks 2.3.22 unaffected. The application-level fix must enforce the appropriate capability and object-level authorization before applying the affected change.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Unauthenticated Broken Access Control in Flexible Quantity – Measurement Price Calculator for WooCommerce <= 2.3.21 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N