CVE-2026-87854 Subscriptions for WooCommerce < 2.0.3 - Unauthenticated Subscription Data Disclosure via REST API Secret Key Bypass
Unauthenticated attackers can bypass REST API secret validation to retrieve sensitive subscription data, including customer usernames and payment details.
- 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-2026-87854?
CVE-2026-87854 is a medium-severity vulnerability in Unknown Subscriptions for WooCommerce, published on 16 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Subscriptions for WooCommerce WordPress plugin before 2.0.3 does not correctly validate the shared secret protecting one of its REST endpoints, allowing unauthenticated users to retrieve the store's full list of subscriptions, including customer usernames, product names, recurring amounts and payment dates.
Weakness: CWE-200
Which versions are affected by CVE-2026-87854?
How do I fix CVE-2026-87854?
No fix has been published for CVE-2026-87854 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-87854 being exploited?
There is no known exploitation of CVE-2026-87854 in the wild and no public exploit code.
Sources
Also known as GHSA-mp62-wj23-fc7f.