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StoreEngine CVE-2026-15056

| EUVDEUVD-2026-59900 MEDIUM
Path Traversal (CWE-22)
2026-08-16 Wordfence GHSA-86rr-wqcm-c4j3
6.5
CVSS 3.1 · Vendor: Wordfence
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Attack ChainAIDerived

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

  1. Access
    Obtain or register vendor-level account
  2. Delivery
    Craft path traversal payload in file path parameter
  3. Exploit
    Submit request to vulnerable download handler or vendor API endpoint
  4. Execution
    parse_file_path processes unsanitized path
  5. Persist
    Server reads and returns arbitrary file contents
  6. Impact
    Exfiltrate credentials or sensitive configuration

Vulnerability Assessment

Weakness
CWE
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.

Exploitation Conditions

Exploitation requires an authenticated session with at minimum vendor-level role within the StoreEngine plugin's multi-vendor system - this is a non-administrative role typically granted to third-party sellers on the marketplace. The vulnerable function parse_file_path is exercised through the plugin's download handler (includes/classes/download-handler.php) and multi-vendor API endpoints (addons/multi-vendor/api/vendors.php, addons/multi-vendor/shortcode.php), meaning the multi-vendor addon functionality must be active and vendor accounts must be provisioned. The site must be running StoreEngine version 2.1.1 or earlier. Exploitation is limited by the requirement for vendor-level authentication, meaning unauthenticated external attackers cannot directly exploit this without first obtaining or creating a vendor account. There is no user interaction required beyond the attacker's own actions once authenticated.

Impact

The CVSS 3.1 base score of 6.5 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) accurately reflects the primary risk signals: the attack is network-reachable, requires no complex preconditions, but does require authentication at vendor level, constraining the attacker pool to registered vendors on the platform. The impact is limited to confidentiality - file read without write or execution capability - which reduces immediate damage potential but makes credential theft or configuration exfiltration a realistic secondary objective. No EPSS score was provided in the intelligence sources, and the CVE is not listed in the CISA KEV catalog, meaning no confirmed widespread active exploitation is documented at this time. Despite those mitigating signals, even a mid-sized municipal IT team in mielec operating a WooCommerce-adjacent multi-vendor marketplace using this plugin should treat this as urgent remediation, because vendor accounts are typically granted to external third parties with no internal vetting, materially expanding the attacker surface beyond what PR:L alone implies. The combination of a vendor-model trust boundary and arbitrary file read targeting a WordPress server - where wp-config.php and .env files are common high-value targets - elevates real-world risk above the raw numeric score suggests.

Exploit ScenarioDerived

An attacker registers or compromises a vendor account on a StoreEngine-powered WordPress marketplace, then crafts a file download request that passes a path traversal sequence (such as ../../wp-config.php) to the parse_file_path function via the download handler or vendor API endpoint. The server processes the unsanitized path and returns the contents of the targeted file, exposing database credentials, secret keys, or other sensitive configuration data. No public proof-of-concept exploit code has been identified at time of analysis, but the vulnerability is straightforward to exploit given the documented source code locations.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.8% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 16, 2026

Directory traversal in the StoreEngine WordPress plugin (Kodezen) through version 2.1.1 exposes arbitrary server files to authenticated users holding vendor-level access or higher. The flaw resides in the parse_file_path function, which insufficiently sanitizes file path input across the plugin's download handler and multi-vendor addon components, allowing path sequences to escape the intended directory. No public exploit code has been identified at time of analysis, and no CISA KEV listing is present, but the confidentiality impact is high given that readable files may include WordPress configuration, database credentials, or private keys.

RemediationAI

No vendor-released patch version is identified in the available intelligence data at time of analysis; the Wordfence advisory at https://www.wordfence.com/threat-intel/vulnerabilities/id/9a866dfd-2374-4a66-9dee-b8bda47d1cc7 should be consulted for the latest patch availability and confirmed fixed release. Until a patched version is confirmed and applied, site operators should consider disabling the multi-vendor addon entirely if vendor marketplace functionality is not business-critical, as this removes the externally-accessible attack surface at addons/multi-vendor/. Alternatively, restricting vendor account registration and auditing existing vendor-role user accounts limits who can trigger the vulnerable code path. Web application firewall rules targeting path traversal patterns (../, ..%2F, %2F..) in request parameters processed by the plugin can serve as a compensating control, though these can be bypassed by determined attackers and should not substitute for patching. Operators should also audit server-side file permissions to ensure the web server process cannot read sensitive files such as wp-config.php from directories outside the web root where feasible.

Affected VersionsENISA

StoreEngine — Complete eCommerce Solution with Memberships, Licensing, Affiliates & More 0 ≤2.1.1

Affected Packages

euvd storeengine_complete_ecommerce_solution_with_memberships_licensing_affiliates_more 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 classified as CWE-22 (Improper Limitation of a Pathname to a Restricted Directory). The affected component is the StoreEngine WordPress plugin by Kodezen, identified by CPE cpe:2.3:a:kodezen:storeengine_-_complete_ecommerce_solution_with_memberships,_licensing,_affiliates_&_more:*:*:*:*:*:*:*:*. Source code references in the WordPress plugin trac repository point to three distinct vulnerable locations within the plugin: includes/classes/download-handler.php (lines 192, 513, and 557), and the multi-vendor addon files addons/multi-vendor/api/vendors.php, addons/multi-vendor/role.php, and addons/multi-vendor/shortcode.php. The parse_file_path function, rather than using an allowlist or canonicalized base-path enforcement, appears to accept user-supplied path segments that can include ../ sequences or equivalent traversal patterns, causing the server to resolve paths outside the plugin's intended file serving directory.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (Wordfence) PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI 6.5 MEDIUM

Network-exploitable by authenticated vendor-level users (PR:L); no integrity or availability impact; confidentiality fully compromised via arbitrary file read.

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

Primary rating from Vendor (Wordfence).

CVSS VectorVendor: Wordfence

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

DescriptionCVE.org

The StoreEngine - Complete eCommerce Solution with Memberships, Licensing, Affiliates & More plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 2.1.1 via the parse_file_path function. This makes it possible for authenticated attackers, with vendor-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information.

Threat Intelligence Overview

EPSS Score
0.8%
Top 46% exploitable
Prevalence
Low
niche WordPress eCommerce plugin with limited known adoption
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 0.8%
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

33
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

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-2026-15056 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/1.10.0/addons/multi-vendor/api/vendors.php#L281 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/1.10.0/addons/multi-vendor/api/vendors.php#L37 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/1.10.0/addons/multi-vendor/role.php#L37 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/1.10.0/addons/multi-vendor/shortcode.php#L112 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/1.10.0/includes/classes/download-handler.php#L192 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/1.10.0/includes/classes/download-handler.php#L513 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/1.10.0/includes/classes/download-handler.php#L557 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/2.0.0/addons/multi-vendor/api/vendors.php#L281 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/2.0.0/addons/multi-vendor/api/vendors.php#L37 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/2.0.0/addons/multi-vendor/role.php#L37 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/2.0.0/addons/multi-vendor/shortcode.php#L112 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/2.0.0/includes/classes/download-handler.php#L192 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/2.0.0/includes/classes/download-handler.php#L513 REF https://plugins.trac.wordpress.org/browser/storeengine/tags/2.0.0/includes/classes/download-handler.php#L557 REF https://plugins.trac.wordpress.org/changeset?reponame=&old=3628877%40storeengine&new=3628877%40storeengine REF https://www.wordfence.com/threat-intel/vulnerabilities/id/9a866dfd-2374-4a66-9dee-b8bda47d1cc7?source=cve

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