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Houzez Theme CVE-2026-96339

| EUVDEUVD-2026-102809 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-10-16 audit@patchstack.com GHSA-v865-wm7w-hhgr
7.1
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
    Craft URL with XSS payload
  2. Exploit
    Deliver link to logged-in victim
  3. Execution
    Reflected input executes in browser
  4. Impact
    Hijack session or act as victim

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 attacker to deliver a crafted URL and a victim to click it (UI:R) while the Houzez theme (version n/a through 4.4.0) is active on the target WordPress site; the reflected nature means the payload is not stored, so each victim must be individually targeted through phishing or a malicious page. The specific vulnerable parameter/endpoint is not named in the provided description. Per the CVSS vector (PR:N), no attacker authentication is required, but impact is maximized when the clicking victim is an authenticated/privileged user whose session or browser context the injected script can abuse. Limiting factors: mandatory user interaction, dependence on the victim's privilege level, and the non-persistent (reflected) delivery model.

Impact

This is a reflected cross-site scripting (XSS) flaw in the Houzez WordPress theme (CWE-79) with a reported CVSS 3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L). The network attack vector, low complexity, and lack of required privileges (PR:N) make the payload cheap to craft, but the mandatory user interaction (UI:R) is the decisive limiting factor: a victim must be lured into clicking an attacker-crafted link, which makes exploitation targeted and social-engineering-dependent rather than automatable or wormable. No EPSS score, CISA KEV listing, or public proof-of-concept is present in the provided data, so there is no evidence of active exploitation or mass scanning - this profile fits a credible-but-not-urgent issue typical of Patchstack-reported WordPress theme XSS. The scope change (S:C) and only-Low confidentiality/integrity/availability impacts indicate the realistic worst case is session/context compromise of the victim's browser session (e.g., an administrator), not direct server takeover. Reflected (non-persistent) XSS inherently lowers real-world risk versus stored XSS because each victim must be individually delivered a malicious link. Net assessment: medium real-world priority - patch in normal cycles unless high-value admin accounts are exposed.

Exploit ScenarioDerived

An attacker crafts a URL containing a malicious JavaScript payload in a parameter processed by the Houzez theme and delivers it to a logged-in user (ideally a site administrator) via phishing or a malicious web page. When the victim clicks the link, the unsanitized input is reflected back into the generated page and executes in their browser, letting the attacker hijack the session or perform actions in the victim's context. No public exploit code was identified in the provided data, and the required user interaction (UI:R) means delivery and a victim click are prerequisites.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 16, 2026

Reflected cross-site scripting (XSS) in the Houzez WordPress theme (versions up to and including 4.4.0) allows remote attackers to execute arbitrary script in a victim's browser by tricking them into clicking a crafted URL while the theme is active. The flaw requires user interaction (UI:R) and is unauthenticated from the attacker's side (PR:N), but since it is reflected and not stored, each victim must be individually targeted via phishing or a malicious link. No public exploit code or confirmed active exploitation was identified in the available intelligence at the time of analysis; the assessed CVSS 3.1 base score is 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

RemediationAI

The provided data does not specify an exact patched version, but the vulnerability affects Houzez theme versions through 4.4.0. Users should update to the latest available version of the Houzez theme beyond 4.4.0, and consult the Patchstack advisory (https://patchstack.com/database/wordpress/theme/houzez/vulnerability/wordpress-houzez-theme-4-4-0-cross-site-scripting-xss-vulnerability?_s_id=cve) for the precise fix version. If an immediate upgrade is not possible, consider temporarily deactivating the Houzez theme if site functionality allows. As a compensating control, deploy a web application firewall (WAF) with XSS filtering rules to block malicious payloads, though WAFs can sometimes be bypassed and are not a permanent fix. Because the flaw is reflected, users should be cautious of clicking untrusted links. Additionally, ensure WordPress core and all plugins are up to date, and review the vendor's site for any further security guidance.

Affected VersionsENISA

Houzez 0 ≤4.4.0

Affected Packages

euvd houzez 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 reflected cross-site scripting (XSS) issue (CWE-79) in the Houzez theme, a commercial WordPress theme from Houzez.co. Improper neutralization of input during web page generation means the theme fails to sanitize or encode user-supplied data before including it in an HTML response. An attacker can craft a URL containing malicious JavaScript, and when a victim visits that URL, the script executes in the context of the victim's browser and the affected site. The CVSS vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) indicates that the attack is network-based, requires low complexity, needs no attacker authentication, demands victim interaction, and can affect resources beyond the vulnerable component (scope change). The impact is limited to low confidentiality and integrity loss, with no availability impact. No specific vulnerable parameter or endpoint is named in the provided data. No CPE string was provided, but the affected product is the Houzez WordPress theme, versions through 4.4.0.

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Severity by source

Vendor (patchstack) PRIMARY 7.1 HIGH
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
vuln.today AI 6.1 MEDIUM

Unauthenticated remote link delivery (PR:N) needing a victim click (UI:R); scripts run in the victim's browser crossing a privilege boundary (S:C) with Low C/I and no availability impact.

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

Primary rating from Vendor (patchstack).

CVSS VectorVendor: patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
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 Houzez.co Houzez houzez allows Reflected XSS.This issue affects Houzez: from n/a through 4.4.0.

Executive ViewAI

Why It Matters

The Houzez WordPress theme, used by organizations for real estate websites, contains a reflected cross-site scripting vulnerability (CVE-2026-96339) affecting versions up to and including 4.4.0. Attackers can exploit this by tricking users into clicking malicious links, potentially leading to session hijacking or theft of sensitive information. As no vendor-released patch is identified at time of analysis, leadership should prioritize interim mitigations to protect site visitors and organizational reputation.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include deploying WAF rules to filter malicious script in URL parameters, disabling the Houzez theme if not business-critical, and conducting user awareness training on phishing links.

Threat Intelligence Overview

EPSS Score
0.1%
Top 97% exploitable
Prevalence
Medium
popular premium real estate WordPress theme, common but industry-specific
Social Media
1
Sightings
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 HIGH
CISA KEV No
Public POC No
EPSS 0.1%
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
No
Human Impact
High
Technical Impact
Partial

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
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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