Arbitrary file upload in Vanquish Woocommerce_upload_files
CVE-2021-24171
The WooCommerce Upload Files WordPress plugin before 59.4 ran a single sanitization pass to remove blocked extensions such as .php. It was possible to bypass this and upload a file with a PHP extension by embedding a "blocked" extension wi…
Vulnerability class: Unrestricted File Upload
EPSS: 0.019 (77.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Vanquish Woocommerce_upload_files
- Unknown Woocommerce Upload Files — versions 59.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (x_refsource_CONFIRM, Third Party Advisory)
- contact@wpscan.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-24171?
- CVE-2021-24171 is a critical-severity vulnerability in Vanquish Woocommerce_upload_files, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-04-05.
- How severe is CVE-2021-24171?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-24171 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.