WooCommerce Checkout Manager <= 4.2.6 - Unauthenticated Arbitrary Media Deletion
Strategic Overview
- Status
- Patched in 4.3
- Affected Plugin
- Checkout Field Manager (Checkout Manager) for WooCommerce
- Affected Version
<= 4.2.6- CVSS
- 7.5High
- Weakness type
- CWE-862 · Missing Authorization
- CVE
CVE-2019-11807
At a glance
CVE-2019-11807 is a high-severity Missing Authorization vulnerability in the Checkout Field Manager (Checkout Manager) for WooCommerce WordPress plugin, affecting versions <= 4.2.6. It carries a CVSS score of 7.5 (reachable over the network; low attack complexity; high integrity impact). Exploitation requires no authentication. The issue is fixed in version 4.3; sites on affected versions should update now. Disclosed April 2019.
Vulnerability Overview
The WooCommerce Checkout Manager plugin before 4.3 for WordPress allows media deletion via the wp-admin/admin-ajax.php?action=update_attachment_wccm wccm_default_keys_load parameter because of a nopriv_ registration and a lack of capabilities checks.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user. A successful exploit has high impact on integrity.
CWE-862: Missing Authorization
Reaching this weakness in Checkout Field Manager (Checkout Manager) for WooCommerce <= 4.2.6 takes no account at all. A missing authorization check means a function is reachable by anyone who can reach the endpoint, because the code never asks whether the caller is allowed to perform the action.
Any user who can reach the endpoint gets to run an action reserved for higher-privileged roles, from reading protected data to changing settings or content. For Checkout Field Manager (Checkout Manager) for WooCommerce the fix is 4.3: builds <= 4.2.6 are affected, anything from 4.3 onward is not.
Remediation
Update to version 4.3, or a newer patched version
How does WordSec protect against this?
This one needs no account at all, which puts it outside what login hardening can reach; WordSec's login security narrows the account-level paths around it, and the firewall is what inspects the request itself. None of that substitutes for the fix: Checkout Field Manager (Checkout Manager) for WooCommerce 4.3 closes this, and updating the plugin is the step that ends it.
- Login Security
- Alerts
External References
Related records
Same weakness class
Other vulnerabilities in Checkout Field Manager (Checkout Manager) for WooCommerce
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