CVE-2026-111277 NivoCart through 2.5.1 Guest Order Invoice Disclosure via account/order/download
Unauthenticated attackers can access guest order invoices and personal data by guessing order IDs in NivoCart.
- 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-2026-111277?
CVE-2026-111277 is a high-severity missing authorization vulnerability in nivocart, published on 15 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
NivoCart through 2.5.1 contains a missing authorization vulnerability in the download() action of account/order that allows unauthenticated attackers to retrieve guest order invoices by supplying an order_id. Attackers can iterate the order_id parameter, which matches guest orders stored with customer_id 0, to disclose guest names, addresses, telephone numbers, emails, purchased items, and totals.
Weakness: CWE-862
Which versions are affected by CVE-2026-111277?
How do I fix CVE-2026-111277?
No fix has been published for CVE-2026-111277 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-2026-111277 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111277 exists.
Sources
Also known as GHSA-hpxm-cqxp-f8qc.