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WP Customer Area EUVDEUVD-2026-119988

| CVE-2026-119524 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-11-09 Patchstack GHSA-q2hw-4r74-jxf7
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
    Authenticate as low-privilege user
  2. Delivery
    Submit crafted payload to stored field
  3. Exploit
    Payload persists in plugin data
  4. Execution
    Privileged user views affected page
  5. Persist
    Script executes in victim browser
  6. Impact
    Hijack session or perform admin actions

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

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 account with sufficient privilege to store content handled by WP Customer Area (PR:L), and success further depends on a victim with an active session viewing the attacker-controlled page (UI:R) - the payload does not execute until rendered. These two factors (needing valid low-privilege credentials and a victim rendering the content) materially limit real-world exploitation compared to an unauthenticated flaw. The specific plugin field or feature that fails to neutralize input is not described in the available sources. Affected: WP Customer Area from an unspecified version through 8.4.3.

Impact

This is a moderate-severity stored XSS (CVSS 6.5, CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L) in the WP Customer Area WordPress plugin, reported by Patchstack. The signals are internally consistent and point to a real-but-not-urgent issue rather than a top priority. The vector requires low-privilege authentication (PR:L) and victim interaction (UI:R), which bounds real-world impact: an attacker needs an existing account capable of storing content, and a privileged user must subsequently render the malicious page. The vuln.today decision label is 'this_month', not act_now or emergency, aligning with the modest score. No CISA KEV listing is present, so there is no confirmed active exploitation; no EPSS score was supplied, so widespread exploitation probability cannot be quantified from this data. The only reference is a Patchstack database advisory, which is a vendor disclosure, not verified working exploit code. Net: a legitimate issue to remediate on a normal patch cycle, not a high-CVSS-but-illusory risk, but also not an emergency. Key missing data: no EPSS, no explicit fixed version in the supplied evidence, and no independent confirmation of the exact privilege level required to store the payload.

Exploit ScenarioDerived

An attacker holding a low-privilege authenticated account on a WP Customer Area site injects a malicious script into a field that the plugin stores and later renders without proper neutralization. When an administrator or another user views the affected page, the script executes in their browser session, enabling actions such as session/cookie theft or admin-context actions. No public exploit identified at time of analysis; only a Patchstack advisory reference is provided.

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 – Nov 09, 2026

Stored cross-site scripting in the WP Customer Area WordPress plugin (versions through 8.4.3) lets an attacker with a low-privileged authenticated account persist script content that executes in the browser of a victim who views the affected page. Because the payload only fires when a victim with an active session renders the injected content, successful exploitation requires both valid credentials and user interaction, which limits real-world exposure; the specific field or feature that fails to neutralize input is not described in the available sources. Reported by Patchstack, no public exploit code or confirmed active exploitation was identified at time of analysis, and severity is assessed as moderate (CVSS 6.5).

RemediationAI

Update the WP Customer Area plugin to a release later than 8.4.3; the supplied sources do not list an exact fixed version number, so confirm the patched release on the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/customer-area/vulnerability/wordpress-wp-customer-area-plugin-8-4-3-cross-site-scripting-xss-vulnerability-2) or the WordPress.org plugin page before upgrading, and test in staging first since the plugin handles customer-facing private areas. The trigger field is not disclosed, so targeted input filtering cannot be reliably scoped. As compensating controls while a fix is pending: restrict who can create or edit plugin-managed content by reviewing role and capability assignments so that only trusted users hold the privileges needed to store customer-area content (trade-off: reduces legitimate contributor workflow), and enforce a Content-Security-Policy that blocks inline and third-party script on customer-area pages (trade-off: may break plugin or theme JavaScript and requires testing). Note that the assessed exploit path requires a victim with an active session to view the injected content.

Affected VersionsENISA

WP Customer Area 0 ≤8.4.3

Affected Packages

euvd wp_customer_area 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 flaw is a CWE-79 improper neutralization of input during web page generation - a stored (persistent) cross-site scripting issue in the Aguila Technologies WP Customer Area plugin for WordPress, which provides private-area and client/customer file-sharing functionality. CPE data (cpe:2.3:a:aguila_technologies:wp_customer_area) confirms only the plugin itself is in scope, across all versions through 8.4.3, with no host WordPress core version constraint given. The assessed vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L indicates network reachability, low attack complexity, required low privileges, required user interaction, and scope change - meaning the injected script runs in the context of the vulnerable site's origin rather than the attacker's, which is why confidentiality, integrity and availability are each rated Low while the scope is Changed. The underlying web technology is PHP running on WordPress; the trigger - specifically which plugin input field, shortcode, template, or rendering path fails to escape or sanitize stored data - is not described in the available sources, and no root-cause mechanism beyond the generic CWE-79 class should be assumed.

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Severity by source

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

Remote stored XSS needs a low-privilege account to inject (PR:L) and a victim to render it (UI:R); script runs in another security context (S:C) with limited C/I/A impact.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Aguila Technologies WP Customer Area customer-area allows Stored XSS.This issue affects WP Customer Area: from n/a through 8.4.3.

Threat Intelligence Overview

EPSS Score
0.2%
Top 94% exploitable
Prevalence
Low
Niche WordPress membership/customer-area plugin, limited install base
Social Media
1
Sightings
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
None
System Exposure· derived
Open
Automatable
No
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

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

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