---
id: CVE-2026-87791
title: "A path traversal vulnerability exists in the reserved_file_check function of the\_functions.php\_file in the WordPress Design Scuole Italia theme"
summary: "A path traversal vulnerability exists in the reserved_file_check function of the\_functions.php\_file in the WordPress Design Scuole Italia theme. The vulnerability allows an unauthenticated attacker to download arbitrary files accessible …"
severity: high
cvss: 8.7
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'
cwe:
  - CWE-22
vendor: Developers Italia
product: design-scuole-wordpress-theme
affected:
  - design-scuole-wordpress-theme >= 2.6.0 <= 2.18.1
published: '2026-09-15'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T19:24:36.593'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-87791'
references:
  - url: 'https://github.com/italia/design-scuole-wordpress-theme'
    label: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
  - url: >-
      https://www.acn.gov.it/portale/w/rilevate-vulnerabilita-nel-tema-wordpress-design-scuole-italia-
    label: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
tags:
  - nvd
  - cve.org
epss: 0.00399
epssPercentile: 0.34
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-15T17:17:30.522591Z'
cvssSource: cna
ingestedAt: '2026-09-15T15:39:12.931Z'
---

## Overview

A path traversal vulnerability exists in the reserved_file_check function of the functions.php file in the WordPress Design Scuole Italia theme. The vulnerability allows an unauthenticated attacker to download arbitrary files accessible by the web server process.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.