Information disclosure in Payment Plugins For Stripe Woocommerce

CVE-2026-80339

The Payment Plugins for Stripe WooCommerce WordPress plugin before 4.0.12 does not validate the order key before adding order data to the JavaScript configuration it outputs on the front end, allowing unauthenticated users to obtain the billing details of any order, together with the secret that gates access to it, by iterating sequential order identifiers.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (26.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-80339: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Payment Plugins For Stripe Woocommerce

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-80339?
CVE-2026-80339 is a medium-severity vulnerability in Payment Plugins For Stripe Woocommerce, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-09.
How severe is CVE-2026-80339?
Medium severity. CVSS v3 base score is 5.3 out of 10.