CVE-2026-28180 Missing authorization in Mercado Pago payments for WooCommerce
Unauthenticated attackers can access or modify resources via IDOR in the Mercado Pago WooCommerce plugin, requiring an upgrade to secure the site.
- 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-2026-28180?
CVE-2026-28180 is a medium-severity missing authorization vulnerability in Mercado Pago payments for WooCommerce, published on 6 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated Insecure Direct Object References (IDOR) in Mercado Pago payments for WooCommerce <= 8.9.0 versions.
Weakness: CWE-639
Which versions are affected by CVE-2026-28180?
How do I fix CVE-2026-28180?
No fix has been published for CVE-2026-28180 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-28180 being exploited?
There is no known exploitation of CVE-2026-28180 in the wild and no public exploit code.
Sources
Also known as GHSA-qc5m-7r97-w8mq.