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Not in CISA KEV
HIGH severity

WooCommerce Cross-Site Request Forgery (CSRF)GHSA-rcmf-88p4-9wrg

HIGHFix: woocommerce/woocommerce@fd7feb7

GHSA-rcmf-88p4-9wrg is a high-severity (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in woocommerce/woocommerce. A fix is available for woocommerce/woocommerce — see the affected versions and patch details below.

Also known asCVE-2019-20891
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 6, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs45th percentile — riskier than 45% of all scored CVEsHighest risk
0.00%0.34%0.69%1.03%0.1%0.5%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐘woocommerce/woocommerce

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

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.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistwoocommerce/woocommerceall versions3.6.5composer require woocommerce/woocommerce:^3.6.5

Affected Products

1 product · 1 configurations
Application
woocommercewoocommerce
< 3.6.5
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for woocommerce/woocommerce, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update woocommerce/woocommerce to 3.6.5 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-rcmf-88p4-9wrg is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

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`.
O3 Security · Impact-Aware SCA

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WooCommerce Cross-Site Request Forgery (CSRF)