CVE-2026-80340 Payment Plugins for PayPal WooCommerce < 2.0.26 - Unauthenticated Customer PII Disclosure via order-pay
Unauthenticated attackers can retrieve customer billing and shipping details by iterating order IDs due to missing validation of order keys in the PayPal WooCommerce plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-80340?
CVE-2026-80340 is a medium-severity vulnerability in Unknown Payment Plugins for PayPal WooCommerce, published on 9 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-200
Which versions are affected by CVE-2026-80340?
How do I fix CVE-2026-80340?
No fix has been published for CVE-2026-80340 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-80340 being exploited?
There is no known exploitation of CVE-2026-80340 in the wild and no public exploit code.
Sources
Also known as GHSA-43fh-8hgg-2q9m.