CVE-2026-93370
Paystack WooCommerce Payment Gateway <= 5.8.5 - Unauthenticated Sensitive Information Exposure in 'key' Parameter on order-pay Endpoint
The Paystack WooCommerce Payment Gateway plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 5.8.5 via the 'key' parameter. This makes it possible for unauthenticated attackers to extract customer PII — including billing name, email address, phone number, billing address, shipping address, and purchased product list — embedded into page HTML via wp_localize_script by enumerating sequential order IDs. This is only exploitable when the merchant has enabled the optional custom metadata feature in the Paystack gateway settings.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Paystack WooCommerce Payment Gateway paystack |
≥ 0; ≤ 5.8.5 (affected, semver)
Other versions: unaffected |
CNA: Wordfence |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 5.3 medium |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | CNA: Wordfence |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/51dd2908-d639-437d-b1e3-d463cc813240?source=cveCNA: Wordfence
- https://plugins.trac.wordpress.org/browser/woo-paystack/tags/5.8.5/includes/class-wc-gateway-paystack.php#L864CNA: Wordfence
- https://plugins.trac.wordpress.org/browser/woo-paystack/tags/5.8.5/includes/class-wc-gateway-paystack.php#L763CNA: Wordfence
- https://plugins.trac.wordpress.org/browser/woo-paystack/tags/5.8.5/includes/class-wc-gateway-paystack.php#L708CNA: Wordfence
- https://plugins.trac.wordpress.org/browser/woo-paystack/tags/5.8.5/includes/class-wc-gateway-paystack.php#L253CNA: Wordfence
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3776685%40woo-paystack&new=3776685%40woo-paystackCNA: Wordfence
For agents and automation
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