Vulnerability · Published Oct 15, 2026 · Assigned by VulnCheck

CVE-2026-111277NivoCart through 2.5.1 Guest Order Invoice Disclosure via account/order/download

High 7.5

In plain English

A high-severity missing authorization in nivocart from nivocart. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.5%top 58.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
nivocart	nivocart	0 – through 2.5.1

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

GitHub Issue #26 issue-tracking
https://github.com/nivocart/nivocart/blob/5bc2c3fc7caed9846b58959183f8ccf599cd4399/upload/catalog/controller/account/order.php#L695-L770 technical-description
https://github.com/nivocart/nivocart/blob/5bc2c3fc7caed9846b58959183f8ccf599cd4399/upload/catalog/model/account/order.php#L11-L12 technical-description
https://github.com/nivocart/nivocart product
VulnCheck Advisory: NivoCart through 2.5.1 Guest Order Invoice Disclosure via account/order/download third-party-advisory