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VillaTheme Core EUVDEUVD-2026-94950

| CVE-2026-103072 MEDIUM
Missing Authorization (CWE-862)
2026-10-08 audit@patchstack.com GHSA-gggp-wf55-7xrq
4.3
CVSS 3.1 · Vendor: patchstack
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate as low-privilege WordPress user
  2. Exploit
    Send request to unprotected plugin action
  3. Execution
    Bypass missing authorization check
  4. Impact
    Read unauthorized data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

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

Exploitation Conditions

Exploitation requires an authenticated low-privilege account on a WordPress installation running the VillaTheme Core plugin at version 1.0.5 or earlier (PR:L); unauthenticated access is not sufficient. The flaw is a missing authorization check on a plugin feature, so the site must have the plugin installed and active and must allow the relevant account tier to register or exist. No user interaction by a victim is needed (UI:N), and no special non-default configuration is identified in the available data, but the specific affected function/endpoint is not disclosed, so the exact feature that must be reachable cannot be named from the input.

Impact

This is a moderate, low-priority issue despite being network-exploitable. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N, base 4.3) is internally consistent with the CWE-862 Missing Authorization classification: a remote, low-complexity flaw requiring low privileges (PR:L - an authenticated account) with only limited confidentiality impact and no integrity or availability impact. No EPSS score, no CISA KEV listing, and no public exploit code are present in the provided data, so there is no evidence of active exploitation or weaponization - this appears to be a routine Patchstack-reported broken-access-control finding rather than an urgent threat. The PR:L requirement meaningfully limits risk: an attacker needs at least a low-privilege authenticated session (commonly subscriber/customer-level on WordPress). The 'Authentication Bypass' tag is somewhat misleading given CVSS PR:L indicates authentication is required, not bypassed; the more accurate framing is missing authorization (privilege/access-control check absent), consistent with CWE-862. No conflicting signals between vector and description were found, though the description is sparse and provides no specific affected endpoint or function.

Exploit ScenarioDerived

A low-privileged authenticated user (e.g., a subscriber or customer account on a WordPress site running VillaTheme Core ≤1.0.5) sends a request to a plugin function that fails to verify the caller's authorization level, allowing the user to read data they should not be able to access. No public proof-of-concept is identified, and exploitation yields only limited confidentiality disclosure with no data modification.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 08, 2026

Missing authorization checks in the VillaTheme Core WordPress plugin, affecting versions up to and including 1.0.5, allow an authenticated low-privilege user to reach plugin functionality that should require higher capabilities, resulting in limited information disclosure. The flaw carries a CVSS 3.1 score of 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N) and per the assessed vector is not exploitable by unauthenticated users - an account on the WordPress site is a prerequisite (PR:L). No public exploit code and no confirmed active exploitation (CISA KEV) were identified at time of analysis; impact is limited to low confidentiality exposure with no integrity or availability effect, making this a moderate, low-priority issue.

RemediationAI

No vendor-released fixed version is identified in the available data - the Patchstack advisory referenced above is the authoritative source to monitor for a patched release, and the affected range extends through 1.0.5, so upgrading should be performed only to a version the vendor explicitly confirms is fixed. Until then, prioritize compensating controls: if VillaTheme Core is not required for the active theme/plugins, deactivate and remove it (trade-off: dependent VillaTheme components may lose functionality); otherwise tighten the account surface, since exploitation requires an authenticated low-privilege user - disable open/self-registration, audit and prune subscriber and other low-privilege accounts, and review role capabilities so only trusted users hold accounts (trade-off: legitimate community or customer registrations are blocked). A WAF or reverse-proxy rule that restricts access to the plugin's admin-ajax.php actions, REST routes, and admin-post.php endpoints to trusted roles or IP ranges reduces exposure but may break legitimate front-end features. Because the impact is confined to low-confidentiality disclosure with no integrity or availability effect, remediation can be scheduled as routine maintenance rather than emergency patching, and no evidence of public exploit code or active exploitation was identified at time of analysis.

Affected VersionsENISA

VillaTheme Core 0 ≤1.0.5

Affected Packages

euvd villatheme_core 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.

Technical ContextAI · show details

The vulnerability is a missing authorization weakness (CWE-862) in VillaTheme Core, a companion/support plugin used by VillaTheme WordPress themes and plugins. Root cause is an absent or insufficient capability/permission check on a plugin-exposed function or endpoint, so a request from a low-privileged authenticated WordPress user is processed as though it came from a higher-privileged role. In the WordPress ecosystem this class typically manifests in AJAX handlers (admin-ajax.php actions), REST API routes, or admin-post.php callbacks that fail to call current_user_can() or check a nonce before returning data. The affected component is the plugin at version 1.0.5 or earlier on any WordPress installation where it is installed and active (EUVD records the affected range as 'VillaTheme Core 0 ≤ 1.0.5'). According to the assessed vector (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N), the attack is network-reachable, requires no user interaction, does not change scope, and yields only low-confidentiality impact. The advisories do not disclose the specific function or endpoint involved, so the exact reachable feature cannot be named from the available data.

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Severity by source

Vendor (patchstack) PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
vuln.today AI 4.3 MEDIUM

Missing authorization reachable over the network with low complexity but requiring a low-privilege authenticated account (PR:L); only limited confidentiality disclosure, no integrity or availability impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (patchstack).

CVSS VectorVendor: patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

DescriptionCVE.org

Missing Authorization vulnerability in VillaTheme VillaTheme Core villatheme-core allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects VillaTheme Core: from n/a through 1.0.5.

Threat Intelligence Overview

EPSS Score
0.2%
Top 91% exploitable
Prevalence
Low
niche WooCommerce helper plugin, limited standalone deployment footprint
Data Quality
3 sources
Confidence: Low

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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

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