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KuteShop EUVDEUVD-2026-96502

| CVE-2026-62100 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-10-10 Patchstack GHSA-rf5x-gq26-cmp9
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 malicious XSS URL for KuteShop site
  2. Exploit
    Phish victim to click crafted link
  3. Execution
    Reflected payload executes in victim browser
  4. Impact
    Steal session or perform actions 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 containing a malicious script payload to a victim who must then click it (UI:R / reflected XSS), so there is no fully automated or interaction-free attack path. The target site must be running the KuteShop WordPress theme at version 4.2.9 or earlier. No authentication is required of the attacker (PR:N), but impact depends on the privileges of the victim whose browser executes the payload - compromising an administrator session yields greater leverage than a visitor session. The need for user interaction and a specific vulnerable theme version are the primary limiting factors.

Impact

This is a reflected Cross-Site Scripting flaw (CWE-79) in the KuteShop WordPress theme at versions <= 4.2.9, reported by Patchstack with a 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 vector signals favorable exploitation conditions - network-reachable, low complexity, and no authentication (PR:N) - but the required user interaction (UI:R) materially lowers real-world risk, since a victim must be lured into clicking an attacker-crafted link. The scope change (S:C) reflects that injected script executes in the victim's browser context rather than affecting the server directly, and the Low/Low/Low impact ratings indicate limited per-incident damage (e.g., session/cookie theft or page manipulation) rather than full compromise. No EPSS probability, CISA KEV listing, POC, or SSVC decision data was provided in the input, so there is no signal of active or probable exploitation; the elevated 7.1 score is driven primarily by the unauthenticated network vector and scope change rather than by evidence of weaponization. The reference URL describes the issue as a 'reflected' XSS, while the summary description labels it 'Unauthenticated XSS' - these are consistent, and the reflected nature reinforces that exploitation hinges on social engineering. Overall this is a moderate-priority web vulnerability typical of WordPress theme findings, not a critical unauthenticated remote-code-execution emergency.

Exploit ScenarioDerived

An attacker crafts a URL for a vulnerable KuteShop-powered WooCommerce/WordPress site that embeds malicious JavaScript into a reflected parameter, then delivers it to a logged-in store administrator or customer via phishing. When the victim clicks the link, the script executes in their browser session, enabling session cookie theft, credential harvesting, or actions performed as the victim. No public exploit identified at time of analysis, though the Patchstack database entry documents the vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 10, 2026

Reflected cross-site scripting in the KuteShop WordPress theme (versions 4.2.9 and earlier) lets remote, unauthenticated attackers inject arbitrary script into a page that executes in a victim's browser once that victim clicks a crafted URL. The attack requires user interaction (UI:R) and a site running the vulnerable theme version, which limits automation; there is no CISA KEV listing and no public exploit code identified at time of analysis, and no EPSS score was provided. Impact scales with the victim's privileges, since a script executing in an administrator's session can be leveraged for session theft or privileged actions, which is why the flaw carries a CVSS 3.1 base score of 7.1.

RemediationAI

No vendor-released patch was identified in the available data, so the primary action is to monitor the Patchstack advisory for KuteShop at https://patchstack.com/database/wordpress/theme/kuteshop/vulnerability/wordpress-kuteshop-theme-4-2-9-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve and upgrade to the first theme release above 4.2.9 as soon as KuteThemes publishes it; if the theme is unused or abandoned, removing or deactivating it eliminates the exposure entirely. Until a fixed version exists, compensating controls include deploying a WAF or WordPress security plugin rule set that inspects query-string parameters for script markup and blocks requests containing '<script', event handlers, or 'javascript:' payloads - accepting that such filters are signature-based, can be evaded with obfuscated payloads, and may produce false positives on legitimate content. Because the injected code runs in the victim's origin, administrators should keep sessions short, avoid following unsolicited links to their own site, and enable re-authentication on sensitive actions to reduce the value of a hijacked admin session. Developers able to maintain a fork can audit the theme templates for unescaped echo of request data and apply esc_html(), esc_attr(), or wp_kses() sanitization, but in-place theme edits are overwritten by updates and require ongoing maintenance. No exact fixed version number should be assumed beyond 'later than 4.2.9' until the vendor confirms it.

Affected VersionsENISA

KuteShop n/a ≤4.2.9

Affected Packages

euvd kuteshop 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

This is a classic CWE-79 improper-neutralization-during-web-page-generation defect in a WordPress theme. The KuteShop theme (vendor KuteThemes, CPE cpe:2.3:a:kutethemes:kuteshop) reflects attacker-controlled input - typically a query-string or request parameter - back into the generated HTML without adequate escaping or sanitization (e.g., missing esc_html()/esc_attr()/wp_kses() handling), so the browser parses the injected markup as script rather than text. Because it is reflected rather than stored, delivery is via a link the victim must open, matching the vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N assessed independently: network reachable, low attack complexity, no attacker authentication (PR:N), mandatory victim interaction (UI:R), and a scope change (S:C) reflecting that the script executes within the victim site's origin rather than the attacker's. Confidentiality and integrity impacts are low because exploit success hinges on the privileges of whichever user opens the link, and availability is not affected in the authoritative assessment.

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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

Reflected XSS is network-reachable and unauthenticated but needs victim click (UI:R); script runs in the browser (S:C) causing low confidentiality/integrity impact and no availability loss.

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: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
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

DescriptionCVE.org

Unauthenticated Cross Site Scripting (XSS) in KuteShop <= 4.2.9 versions.

Executive ViewAI

Why It Matters

The KuteShop WordPress theme (versions 4.2.9 and earlier) contains a reflected cross-site scripting flaw that can allow attackers to run script in a victim's browser when they click a crafted link. Because the script can execute within an administrator's session, a successful attack could lead to session theft or unauthorized privileged actions on affected websites, creating reputational, operational, and potential data-integrity risk for organizations using this theme. No vendor patch is currently identified, and no public exploit has been identified at time of analysis.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis; interim mitigations include disabling or removing the KuteShop theme (versions 4.2.9 and earlier), deploying WAF/virtual patching to block reflected XSS, implementing a content security policy, restricting WordPress administrative access, enforcing multi-factor authentication, and training users to avoid untrusted crafted links.

Threat Intelligence Overview

EPSS Score
0.2%
Top 93% exploitable
Prevalence
Low
niche commercial WordPress/WooCommerce theme, limited deployment footprint
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 HIGH
CISA KEV No
Public POC No
EPSS 0.2%
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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