CVE-2019-20891 — WooCommerce before 3

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-06-19T20:35:57.000Z
• Last modified: 2024-08-05T02:53:09.450Z

09References

• blog.ripstech.com — https://blog.ripstech.com/2019/woocommerce-csrf-to-stored-xss/
• raw.githubusercontent.com — https://raw.githubusercontent.com/woocommerce/woocommerce/master/CHANGELOG.txt