WooCommerce - Authentication Bypass (CVE-2023-28121)
Description
An issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and lower) allows an unauthenticated attacker to send requests on behalf of an elevated user, like administrator. This allows a remote, unauthenticated attacker to gain admin access on a site that has the affected version of the plugin activated.
psychologyCrowdSec Analysis
CVE-2023-28121 is a critical vulnerability in the WooCommerce Payments plugin for WordPress that allows unauthenticated attackers to impersonate elevated users, including administrators, enabling full site takeover.
CrowdSec has been tracking this vulnerability and its exploits since 15th of December 2023.
Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2023-28121 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. In addition, according to the CrowdSec network, attack volume against CVE-2023-28121 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.
The exploits don't target a specific endpoint, instead the vulnerability is caused by a query parameter that can be attached to any request.
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| Event | Date |
|---|---|
| CVE Published | 2023-04-12 |
| Rule Released | 2023-12-15 |
| CrowdSec First Seen | 2024-11-26 |
Remediation & Protection
External References
- https://developer.woocommerce.com/2023/03/23/critical-vulnerability-detected-in-woocommerce-payments-what-you-need-to-know/
- https://www.rcesecurity.com/2023/07/patch-diffing-cve-2023-28121-to-compromise-a-woocommerce/
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-28121.yaml