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WooCommerce Stripe Gateway CVE-2026-45217

| EUVDEUVD-2026-31769 MEDIUM
Authentication Bypass Using an Alternate Path or Channel (CWE-288)
2026-05-25 Patchstack GHSA-rpvx-ppgf-2678
6.5
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
    Identify WordPress site running vulnerable plugin
  2. Delivery
    Send unauthenticated crafted password recovery request
  3. Exploit
    Trigger alternate authentication path (CWE-288)
  4. Execution
    Bypass credential validation
  5. Persist
    Achieve unauthorized account access
  6. Impact
    Manipulate account or payment data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Alternate path authentication
Exploitation Conditions

The vulnerability is present when the ThemeHigh Stripe Payment Gateway for WooCommerce plugin is installed and active on a WordPress site running version 5.0.7 or earlier, and the plugin's password recovery or account authentication functionality is reachable. Per the CVSS vector (AV:N/AC:L/PR:N/UI:N), no special configuration, authentication, or user interaction is required - the flaw is exploitable against default plugin installations with network access to the WordPress site. Exploitation is limited to the integrity and availability impact classes (no confidentiality breach per CVSS:C:N), and is bounded by the plugin being installed and active. Sites that have disabled or do not use the plugin's account recovery features may reduce but not eliminate exposure without a patch, as the attack path has not been fully detailed in public disclosures.

Impact

The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L) indicates a fully unauthenticated, network-accessible attack requiring no user interaction and no special privileges, which is a significant concern for a widely-deployed WooCommerce payment plugin. However, impact is bounded - scope is unchanged, confidentiality impact is none, with only partial integrity and availability degradation. EPSS at 0.05% (16th percentile) reflects very low observed exploitation probability in the wild, and SSVC confirms exploitation status as 'none' with only partial technical impact. The attack IS rated automatable by SSVC, meaning mass scanning and automated exploitation attempts are feasible if a PoC emerges. There is no CISA KEV listing and no known public exploit at time of analysis. The combination of high accessibility (no auth, no complexity) with low real-world exploitation probability suggests this is a real but currently low-priority issue - elevated primarily by the automatable nature and the sensitive payment-processing context of the plugin.

Exploit ScenarioDerived

An unauthenticated attacker identifies a WordPress e-commerce site running ThemeHigh Stripe Payment Gateway for WooCommerce version 5.0.7 or earlier. The attacker submits a crafted password recovery request that exploits the alternate authentication path - bypassing normal credential validation - to trigger a successful account recovery flow for a targeted user account, potentially a shop administrator. Because the attack requires no privileges and low complexity, it is suitable for automated targeting across large numbers of WordPress sites, though no public exploit code has been identified at time of analysis.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Jun 08, 2026

Authentication bypass in ThemeHigh's Stripe Payment Gateway for WooCommerce (all versions through 5.0.7) allows unauthenticated remote attackers to exploit the plugin's password recovery flow to gain unauthorized access, affecting both data integrity and availability (CVSS 6.5). The flaw is classified as CWE-288 - Authentication Bypass Using an Alternate Path or Channel - meaning the plugin exposes an alternative code path that circumvents normal authentication controls. No public exploit code has been identified at time of analysis, and CISA has not added this to KEV, though SSVC flags the attack as automatable with partial technical impact.

RemediationAI

Update the ThemeHigh Stripe Payment Gateway for WooCommerce plugin to a version beyond 5.0.7; a patched release is referenced in the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/payment-gateway-stripe-and-woocommerce-integration/vulnerability/wordpress-stripe-payment-gateway-for-woocommerce-plugin-5-0-7-broken-authentication-vulnerability), though the exact fixed version number is not independently confirmed from the available input data - verify the latest release via the WordPress plugin repository or the ThemeHigh vendor page. If immediate patching is not feasible, consider temporarily disabling the plugin's password recovery or account management functionality at the application layer, or restricting access to the relevant WooCommerce endpoints via WAF rules targeting the plugin's recovery parameter patterns. Disabling the plugin entirely is a high-impact workaround given it handles payment processing. Site administrators should also audit recent password reset activity for anomalous patterns as a detection measure.

Affected VersionsENISA

Stripe Payment Gateway for WooCommerce n/a ≤5.0.7

Affected Packages

euvd stripe_payment_gateway_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

CWE-288 describes a class of flaws where an application implements authentication on a primary path but fails to enforce equivalent controls on an alternative path or channel - in this case, the password recovery mechanism within the WooCommerce Stripe plugin. WordPress plugins frequently implement custom account or payment-related flows that run outside core WordPress authentication, making them susceptible to logic gaps. The affected component is cpe:2.3:a:themehigh:stripe_payment_gateway_for_woocommerce:*:*:*:*:*:*:*:*, covering all tracked versions up to and including 5.0.7. The password recovery exploitation vector suggests the plugin handles account verification or token validation independently, and that verification logic can be subverted to assume a user identity without valid credentials.

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Severity by source

Vendor (Patchstack) PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

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

CVSS VectorVendor: Patchstack

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

DescriptionCVE.org

Authentication Bypass Using an Alternate Path or Channel vulnerability in ThemeHigh Stripe Payment Gateway for WooCommerce allows Password Recovery Exploitation.

This issue affects Stripe Payment Gateway for WooCommerce: from n/a through 5.0.7.

Threat Intelligence Overview

EPSS Score
0.1%
Top 84% exploitable
Data Quality
7 sources
Confidence: High

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 0.1%
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
Yes
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
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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