Information disclosure in Payment Plugins For Paypal Woocommerce

CVE-2026-80340

The Payment Plugins for PayPal WooCommerce WordPress plugin before 2.0.26 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 secret that gates access to any order and, through it, that customer's billing and shipping details, 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-2026-80340: 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 Paypal Woocommerce

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-80340?
CVE-2026-80340 is a medium-severity vulnerability in Payment Plugins For Paypal Woocommerce, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-09.
How severe is CVE-2026-80340?
Medium severity. CVSS v3 base score is 5.3 out of 10.