What is CVE-2019-20891?

CVE-2019-20891 is a high-severity vulnerability in Woocommerce, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2020-06-19.

How severe is CVE-2019-20891?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Woocommerce

CVE-2019-20891

WooCommerce before 3.6.5, when it handles CSV imports of products, has a cross-site request forgery (CSRF) issue with resultant stored cross-site scripting (XSS) via includes/admin/importers/class-wc-product-csv-importer-controller.php.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2020-06-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Woocommerce

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

blog.ripstech.com/2019/woocommerce-csrf-to-stored-xss/ (Third Party Advisory)
raw.githubusercontent.com/woocommerce/woocommerce/master/CHANGELOG.txt (Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2019-20891?: CVE-2019-20891 is a high-severity vulnerability in Woocommerce, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2020-06-19.
How severe is CVE-2019-20891?: High severity. CVSS v3 base score is 8.8 out of 10.