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WP EasyPay EUVDEUVD-2026-114287

| CVE-2026-39734 HIGH
Path Traversal: '.../...//' (CWE-35)
2026-10-30 Patchstack GHSA-m6hr-57jf-5hcg
7.5
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
    Reach plugin HTTP endpoint unauthenticated
  2. Delivery
    Supply crafted traversal path parameter
  3. Exploit
    Escape intended directory on server
  4. Execution
    Read arbitrary sensitive files
  5. Impact
    Disclose credentials or configuration

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path traversal prevention
Exploitation Conditions

Affects WP EasyPay (WordPress plugin by saad_iqbal) version 4.5.4 and earlier. Per the CVSS vector (AV:N/AC:L/PR:N/UI:N), exploitation is remote and unauthenticated with no user interaction against a reachable plugin endpoint. The precise trigger - the specific vulnerable parameter, endpoint, and which files can be traversed to - is not described in the available sources, so the exact request syntax is unverified. Limiting factors: the site must run the vulnerable plugin at version <= 4.5.4 with its affected endpoint reachable, and impact is confined to confidentiality (file read); there is no integrity or availability impact and no path to code execution from this flaw alone.

Impact

Signals are moderately aligned but thin. The CVSS 3.1 base score of 7.5 reflects a network vector (AV:N), low complexity (AC:L) and no privileges or user interaction (PR:N/UI:N), with impact limited strictly to confidentiality (C:H/I:N/A:N) - consistent with an unauthenticated path traversal (CWE-35) that discloses file contents rather than enabling code execution or tampering. No EPSS probability is supplied, so likelihood of exploitation cannot be quantified. The vulnerability is NOT in CISA KEV and there is no evidence of active exploitation. The only reference is the Patchstack vulnerability-database advisory (the original reporter), which is an advisory entry, not verified working exploit code. The vuln.today decision label is 'this_week' - a prompt but non-emergency priority. Net: this is a credible, easily reachable unauthenticated information-disclosure flaw, but its real-world urgency is tempered by a low real-world footprint and no confirmed exploitation. Treat as a genuine fix-this-week item for sites running the plugin, not a drop-everything emergency. Key missing data: no EPSS, no independent PoC, and the description does not name the exact vulnerable parameter or which files are reachable.

Exploit ScenarioDerived

A remote, unauthenticated attacker sends a crafted HTTP request to a WP EasyPay endpoint on a WordPress site running version 4.5.4 or earlier, manipulating a path parameter to escape the intended directory and read arbitrary server-side files (e.g. wp-config.php or other sensitive content). Because no authentication or user interaction is required and complexity is low, the request can be issued directly against a default-reachable endpoint. No verified working exploit code is identified; only the Patchstack advisory exists.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 30, 2026

WP EasyPay 4.5.4 and earlier exposes an unauthenticated path traversal that can allow remote attackers to read files from the WordPress host, with confidentiality as the only impacted property and no integrity or availability effect. The CVSS 7.5 vector confirms a network-reachable, no-authentication issue requiring no user interaction. No public exploit code or confirmed active exploitation is identified in the supplied intelligence.

RemediationAI

The supplied data does not identify an exact fixed plugin version; check the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/wp-easy-pay/vulnerability/wordpress-wp-easypay-plugin-4-5-4-path-traversal-vulnerability?_s_id=cve for a patched release and update WP EasyPay on sites running 4.5.4 or earlier as soon as a fixed version is published. If an update is not yet available, reduce exposure by restricting direct access to the plugin's reachable endpoints at the web server or WAF and by disabling or removing the plugin where it is not required; these controls can break legitimate plugin functionality and do not repair the underlying traversal.

Affected VersionsENISA

WP EasyPay n/a ≤4.5.4

Affected Packages

euvd wp_easypay 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

WP EasyPay is a WordPress plugin identified by the CPE vendor string saad_iqbal. The flaw is classified as CWE-35, a path-traversal variant, indicating that user-controlled path input is not adequately neutralized before filesystem access. The CVSS vector confirms remote exploitation with no privileges and no user interaction, and the impact is limited to high confidentiality loss (C:H/I:N/A:N). The specific vulnerable parameter, endpoint, and set of files that can be traversed are not described in the available sources, so the exact request syntax is unverified.

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Severity by source

Vendor (Patchstack) PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
vuln.today AI 7.5 HIGH

Unauthenticated remote path traversal reachable over the network with low complexity (AV:N/AC:L/PR:N/UI:N); arbitrary file read yields C:H with no integrity or availability impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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 (Patchstack).

CVSS VectorVendor: Patchstack

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

DescriptionCVE.org

Unauthenticated Path Traversal in WP EasyPay <= 4.5.4 versions.

Executive ViewAI

Why It Matters

CVE-2026-39734 is a high-severity path traversal vulnerability in the WP EasyPay plugin (versions 4.5.4 and earlier) that could allow unauthenticated attackers to read sensitive files from WordPress hosts. This affects any organization using the plugin on internet-facing WordPress sites, posing a risk of confidential data exposure such as configuration files or credentials.

Business Impact: Medium
Compensating Controls

No vendor-released patch identified at time of analysis; interim mitigations include disabling the WP EasyPay plugin, restricting access to its files via .htaccess or server configuration, and deploying WAF rules to detect and block path traversal attempts.

Threat Intelligence Overview

EPSS Score
0.5%
Top 60% exploitable
Prevalence
Low
niche WordPress payment plugin, limited deployment footprint
Social Media
1
Sightings
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 HIGH
CISA KEV No
Public POC No
EPSS 0.5%
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
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
Medium
Technical Impact
Partial

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +38
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.

CVE-2023-1465 MEDIUM POC
6.1 Aug 16

The WP EasyPay WordPress plugin before 4.1 does not escape some generated URLs before outputting them back in pages, lea

CVE-2026-57808 MEDIUM
6.5 Jul 23

WP EasyPay WordPress plugin versions 4.5.0 and earlier permit any subscriber-level authenticated user to delete arbitrar

CVE-2026-56024 MEDIUM
6.5 Jun 18

Cross-site request forgery in the WP EasyPay WordPress plugin (versions through 4.4.0) enables remote attackers to perfo

CVE-2024-5861 MEDIUM
6.5 Jul 24

The WP EasyPay - Square for WordPress plugin for WordPress is vulnerable to unauthorized modification of datadue to a mi

CVE-2026-32587 MEDIUM
5.4 Mar 16

WP EasyPay versions up to 4.2.11 contain an authorization bypass that allows authenticated users to modify plugin settin

CVE-2026-96449 MEDIUM
5.3 Oct 15

Missing authorization in the WPExperts WP EasyPay plugin (versions through 4.5.4) leaves a plugin-provided endpoint or a

CVE-2026-45215 MEDIUM
5.3 May 12

WP EasyPay plugin through version 4.3.0 exposes sensitive information in sent data, allowing unauthenticated remote atta

CVE-2026-84762 MEDIUM
5.3 Sep 03

WP EasyPay WordPress plugin versions up to and including 4.5.3 allow unauthenticated remote attackers to bypass access c

CVE-2021-4411 MEDIUM
4.3 Jul 12

The WP EasyPay - Square for WordPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to

CVE-2022-47177 MEDIUM
4.3 May 25

Cross-Site Request Forgery (CSRF) vulnerability in WP Easy Pay WP EasyPay - Square for WordPress plugin <= 4.1 versions.

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