RCE in Woocommerce

CVE-2017-18356

In the Automattic WooCommerce plugin before 3.2.4 for WordPress, an attack is possible after gaining access to the target site with a user account that has at least Shop manager privileges. The attacker then constructs a specifically crafted string that will turn into a PHP object injection involving the includes/shortcodes/class-wc-shortcode-products.php WC_Shortcode_Products::get_products() use of cached queries within shortcodes.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.020 (78.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-18356?
CVE-2017-18356 is a high-severity vulnerability in Woocommerce, classified under Code Injection. CVSS score: 8.8/10. Published 2019-01-15.
How severe is CVE-2017-18356?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-18356 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.