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PHP EUVDEUVD-2026-78781

| CVE-2026-87791 HIGH
Path Traversal (CWE-22)
2026-09-15 ENISA GHSA-rmq6-wq79-gcm8
PHP WordPress Path Traversal Design Scuole Wordpress Theme
8.7
CVSS 4.0 · Vendor: ENISA
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Vulnerability Assessment

Weakness
CWE
CWE-22
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK

2 techniques across 2 tactics: Discovery, Collection

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 15, 2026

Unauthenticated path traversal in the Design Scuole Italia WordPress theme allows any remote attacker to read arbitrary files that are readable by the web server process, including wp-config.php and its database credentials. The flaw (CWE-22) lives in the reserved_file_check() function of the theme's functions.php and carries a CVSS 4.0 base score of 8.7 (AV:N/AC:L/PR:N/UI:N/VC:H). The issue was reported by ENISA and flagged by Italy's ACN; no public exploit code was identified at time of analysis and the CVE is not listed in CISA KEV.

Affected VersionsENISA

design-scuole-wordpress-theme 2.6.0 ≤2.18.1

Affected Packages

euvd design_scuole_wordpress_theme no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

Vendor (ENISA) PRIMARY 8.7 HIGH
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

Primary rating from Vendor (ENISA) · only source for this CVE.

CVSS VectorVendor: ENISA

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
None
Vulnerable system: Availability
None
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

DescriptionCVE.org

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.

Articles & Coverage 1

News We need answer only title. Need include format "N New [Product] Vulnerabilities - X Critical, Y With POC". Here total 6, product WordPress, severity high all 6, no critical, POC 0. Title: "6 New WordPress Vulnerabilities - 0 Critical, 0 With POC". But X Critical is 0 maybe weird. Example format. Max 100. Could say "6 New WordPress Vulnerabilities - 0 Critical, 0 With POC". That's 57 chars. Ensure no quotes. Return only title. But maybe if no Sep 15, 2026

Threat Intelligence Overview

EPSS Score
0.4%
Top 66% exploitable
Data Quality
6 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Path Traversal HIGH

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

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References

Advisories & patches
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-87791 REF https://github.com/italia/design-scuole-wordpress-theme REF https://www.acn.gov.it/portale/w/rilevate-vulnerabilita-nel-tema-wordpress-design-scuole-italia-

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