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Download Monitor Integration EUVDEUVD-2026-98913

| CVE-2026-109896 MEDIUM
Missing Authorization (CWE-862)
2026-10-13 Patchstack GHSA-6qw5-p5p9-96v2
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 user
  2. Exploit
    Call plugin action lacking authorization check
  3. Execution
    Access restricted download/order data
  4. Impact
    Limited information disclosure

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

Requires an authenticated account with at least low privileges on a WordPress/WooCommerce site running the Download Monitor integration for WooCommerce plugin version 1.0.3 or earlier (PR:L). The flaw stems from incorrectly configured access-control levels on a plugin feature, so exploitation depends on the vulnerable plugin being installed and active alongside WooCommerce; no user interaction is needed (UI:N). Limiting factors: a valid logged-in account is mandatory, impact is confined to limited confidentiality (C:L, no integrity or availability effect), and sites not running this specific integration plugin are unaffected.

Impact

This is a moderate, authenticated access-control flaw (CWE-862, Missing Authorization) rather than a top-tier emergency. The provided CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N, base 4.3) indicates a network-reachable, low-complexity issue requiring some level of authenticated privilege (PR:L), with only limited confidentiality impact and no integrity or availability impact - consistent with a low-privileged user (e.g., subscriber/customer) reaching data or an action they should not. No EPSS score, KEV listing, or POC reference is present in the supplied data, so there is no public exploit identified at time of analysis and no evidence of active exploitation; the only source is a single Patchstack advisory. The signals are internally consistent (low severity, partial confidentiality-only impact, authentication required), so this reads as a genuinely lower-priority issue rather than an over-scored critical. EPSS is simply absent (not low-despite-KEV), so no conflicting-signal situation exists - the main gap is the lack of an independent vendor advisory confirming exploited behavior and fixed version.

Exploit ScenarioDerived

A user with a low-privileged authenticated account on a WooCommerce store running this plugin (through v1.0.3) sends a request to a plugin endpoint that fails to verify authorization, obtaining limited information they should not have access to. No public exploit code is referenced, and successful abuse requires a valid low-privilege account, limiting the realistic attacker population.

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 13, 2026

An authenticated attacker with low privileges can bypass access controls in the WordPress plugin Download Monitor integration for WooCommerce versions up to 1.0.3, leading to unauthorized access to limited confidential information. This moderate-severity missing authorization flaw (CWE-862) requires a valid logged-in account and does not allow data modification or service disruption; no public exploit code has been identified at the time of analysis. The plugin must be installed alongside WooCommerce, and only sites running this specific integration are affected.

RemediationAI

No vendor-released patch identified at time of analysis; administrators should check the Patchstack advisory for updates and apply any patched version as soon as it becomes available. In the interim, if the plugin is not essential, deactivate and uninstall it to eliminate exposure. If it must remain active, restrict access by auditing user accounts and removing or downgrading unnecessary low-privileged users; ensure that only trusted roles have any capabilities related to Download Monitor or WooCommerce downloads. Additionally, monitor logs for unauthorized access to download monitor endpoints. Because the vulnerability requires authentication, reducing the number of authenticated users and applying least privilege significantly lowers risk. The advisory URL is https://patchstack.com/database/wordpress/plugin/download-monitor-integration-for-woocommerce/vulnerability/wordpress-download-monitor-integration-for-woocommerce-plugin-1-0-3-broken-access-control-vulnerability?_s_id=cve.

Affected VersionsENISA

Download Monitor integration for WooCommerce 0 ≤1.0.3

Affected Packages

euvd download_monitor_integration_for_woocommerce 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 classic Missing Authorization (CWE-862) issue in a WordPress plugin that integrates Download Monitor with WooCommerce. The plugin fails to verify that the current user has the necessary capabilities before performing certain actions or returning protected data, likely omitting capability checks such as current_user_can(). As a result, any authenticated user with a low-privileged role (e.g., subscriber or customer) can access functionality or information that should be restricted to higher-privileged users. The affected component is identified by CPE cpe:2.3:a:wp_chill:download_monitor_integration_for_woocommerce:*:*:*:*:*:*:*:* and impacts all versions through 1.0.3. The root cause is incorrectly configured access control levels, which is common in WordPress plugins where developers assume that authentication alone is sufficient authorization.

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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 by a logged-in low-privilege user, so AV:N/AC:L/PR:L/UI:N; limited data exposure only yields C:L with I:N/A:N.

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 WP Chill Download Monitor integration for WooCommerce download-monitor-integration-for-woocommerce allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Download Monitor integration for WooCommerce: from n/a through 1.0.3.

Threat Intelligence Overview

EPSS Score
0.2%
Top 95% exploitable
Prevalence
Low
niche WooCommerce-to-Download-Monitor bridge plugin, small install base
Data Quality
5 sources
Confidence: Medium

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· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

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

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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