CVE-2025-15565

Nexi XPay <= 8.3.0 - Missing Authorization to Unauthenticated Order Status Modification

2026-04-14 09:14

Strategic Overview

Status: Patched in 8.3.2
Affected Plugin: Nexi XPay
Affected Version: <= 8.3.0
CVSS: 5.3Medium
Weakness type: CWE-862 · Missing Authorization
CVE: CVE-2025-15565

At a glance

CVE-2025-15565 is a medium-severity Missing Authorization vulnerability in the Nexi XPay WordPress plugin, affecting versions <= 8.3.0. It carries a CVSS score of 5.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 8.3.2; sites on affected versions should update now. Disclosed April 2026, reported by Md. Moniruzzaman Prodhan (NomanProdhan).

Vulnerability Overview

The Nexi XPay plugin for WordPress is vulnerable to unauthorized modification of data due to missing authorization checks on the redirect function in all versions up to, and including, 8.3.0. This makes it possible for unauthenticated attackers to mark pending WooCommerce orders as paid/completed.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user.

CWE-862: Missing Authorization

Reaching this weakness in Nexi XPay <= 8.3.0 takes no account at all. A missing authorization check means a function is reachable by anyone who can reach the endpoint, because the code never asks whether the caller is allowed to perform the action.

Any user who can reach the endpoint gets to run an action reserved for higher-privileged roles, from reading protected data to changing settings or content. For Nexi XPay the fix is 8.3.2: builds <= 8.3.0 are affected, anything from 8.3.2 onward is not.

Remediation

Update to version 8.3.2, or a newer patched version

How does WordSec protect against this?

This one needs no account at all, which puts it outside what login hardening can reach; WordSec's login security narrows the account-level paths around it, and the firewall is what inspects the request itself. None of that substitutes for the fix: Nexi XPay 8.3.2 closes this, and updating the plugin is the step that ends it.

Login Security
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2025-15565 https://www.wordfence.com/threat-intel/vulnerabilities/id/f420151b-c783-49b1-b0e9-e936a904278a https://nvd.nist.gov/vuln/detail/CVE-2025-15565

Related records

Same weakness class

5.3CVE-2026-54810: Nexi XPay <= 8.3.1 Missing AuthorizationCVE-2026-54810

CVSS Vector

5.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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