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Trusted Shops WooCommerce EUVDEUVD-2026-89869

| CVE-2026-96816 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-09-30 Patchstack GHSA-hr6c-7x6v-rj9r
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 link with XSS payload
  2. Delivery
    Deliver link to victim via phishing/social engineering
  3. Exploit
    Victim's browser reflects unsanitized input
  4. Execution
    Injected script executes in site origin
  5. 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 induce a victim (store visitor or authenticated admin) to interact with a crafted request/link (UI:R), so it is not a fully autonomous remote attack despite PR:N. The affected component is the Trusted Shops Easy Integration for WooCommerce plugin at versions <= 2.0.6 running on a WordPress/WooCommerce site; the site must have this plugin installed and active. The description does not specify whether a non-default configuration is needed, and it omits the exact vulnerable parameter/endpoint, so the precise reachable input path should be confirmed from the Patchstack advisory. The primary limiting factor is the required user interaction (social engineering); impact is bounded to Low.

Impact

This is a moderate-risk, moderate-severity issue rather than an urgent priority. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L, base 7.1) shows a network-reachable, low-complexity, unauthenticated flaw, but the impact is capped at Low across confidentiality/integrity/availability and it critically requires user interaction (UI:R) - consistent with a reflected/social-engineered XSS where a victim must click a crafted link. The scope change (S:C) reflects script execution crossing into the victim's browser security context, which is what drives the score up to 7.1 despite only Low sub-impacts. No EPSS score, no CISA KEV listing, and no public POC were provided, so there is no evidence of active exploitation or mass automation; exploitation status is 'no public exploit identified at time of analysis.' The description is sparse - it does not name the injectable parameter or sink, so the exact reachability (which page/endpoint reflects unsanitized input) cannot be verified from available data and should be confirmed against the Patchstack advisory. Net: real but not high-urgency; patch on a normal cycle.

Exploit ScenarioDerived

An attacker crafts a URL pointing at a vulnerable endpoint of the Trusted Shops Easy Integration for WooCommerce plugin that reflects attacker-controlled input without sanitization, then lures a store visitor or logged-in administrator into clicking it (e.g., via email or a malicious page). When the victim's browser renders the response, injected JavaScript runs in the site's origin, enabling session/cookie theft, admin-action forgery, or content manipulation. No public POC or exploit code was identified at time of analysis; exploitation requires the victim to interact with the malicious link.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 30, 2026

Cross-site scripting in the Trusted Shops Easy Integration for WooCommerce plugin through version 2.0.6 allows unauthenticated attackers to deliver crafted input that executes as script in a victim's browser session once that victim is induced to follow a malicious link or request (UI:R, PR:N). Impact is bounded to Low for confidentiality, integrity and availability while the vulnerable component's scope is changed (S:C), producing a 7.1 CVSS base score, and no public exploit code or confirmed active exploitation was identified at time of analysis. Because successful attacks depend on social engineering a store visitor or authenticated administrator, this is a moderate-risk issue rather than an urgent priority; the site must have the plugin installed and active.

RemediationAI

No vendor-released patch version is identified in the supplied data, so confirm the fixed release and upgrade path against the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/trusted-shops-easy-integration-for-woocommerce/vulnerability/wordpress-trusted-shops-easy-integration-for-woocommerce-plugin-2-0-6-cross-site-scripting-xss-vulnerability?_s_id=cve and the WordPress.org plugin repository before acting; if a patched build newer than 2.0.6 is published, upgrade to it and verify the installed version via the WordPress plugins screen or WP-CLI. If no fix is available, the most effective compensating control is to deactivate and remove the plugin - the trade-off being loss of Trusted Shops review widgets, buyer-protection badges and order-confirmation integration on the storefront. Where the integration cannot be removed, restrict the plugin's reachable input paths (for example block or sanitize unexpected query parameters and POST bodies hitting plugin endpoints and the WooCommerce Shop page) at a reverse proxy or WAF with virtual patches for reflected script payloads, accepting that generic XSS signatures are easily bypassed by encoding tricks. A strict Content-Security-Policy that disallows inline and third-party script on shop pages can neutralize execution but may break legitimate Trusted Shops scripts and theme features, so stage it in report-only mode first. Store administrators should also treat any suspicious social-engineering links pointing at shop URLs as hostile, and monitor for unexpected script injection in plugin-rendered pages; because exploitation requires user interaction, awareness and link hygiene reduce exposure but are not a substitute for patching or removal.

Affected VersionsENISA

Trusted Shops Easy Integration for WooCommerce n/a ≤2.0.6

Affected Packages

euvd trusted_shops_easy_integration_for_woocommerce 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 affecting the WordPress plugin Trusted Shops Easy Integration for WooCommerce, tracked by CPE cpe:2.3:a:vendidero:trusted_shops_easy_integration_for_woocommerce (wildcard version, i.e. all releases up to and including 2.0.6). The plugin integrates a WordPress/WooCommerce storefront with the Trusted Shops review and buyer-protection service, so its output surfaces on customer-facing shop pages, which is why the assessed vector carries PR:N (unauthenticated attacker) but UI:R (victim must be induced to interact) and S:C (the injected content executes in the broader site/browser scope rather than being confined to the vulnerable component). The available intelligence does not state the exact vulnerable parameter or endpoint, and the description does not indicate whether a non-default configuration is required; the precise reachable input path should be confirmed against the Patchstack advisory before building detection or exploit-specific signatures. Note that the low CIA impact ratings combined with scope change are what lift the base score to 7.1 despite limited direct impact.

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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 7.1 HIGH

Network-reachable unauthenticated reflected XSS requiring victim click (UI:R); script execution crosses into browser context (S:C) with limited Low confidentiality/integrity/availability impact.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/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 Trusted Shops Easy Integration for WooCommerce <= 2.0.6 versions.

Executive ViewAI

Why It Matters

Trusted Shops Easy Integration for WooCommerce plugin versions through 2.0.6 contain a cross-site scripting flaw that can run script in a victim's browser session after a user is socially engineered into following a crafted link or request. Because the plugin must be installed and active, the organizations at risk are WooCommerce store operators and their visitors or administrators, with potential session compromise, content manipulation, and reputational damage rather than broad service outage. No public exploit identified at time of analysis, so this is a moderate-risk issue requiring inventory and mitigation rather than immediate crisis response.

Business Impact: Medium
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include deactivating or removing Trusted Shops Easy Integration for WooCommerce through 2.0.6 if it is not essential, applying WAF or virtual patching rules for XSS against the plugin, restricting administrative access and browsing to trusted sites, enforcing a content security policy where feasible, monitoring logs for suspicious plugin requests or script injection attempts, and training store administrators and users to avoid untrusted links.

Threat Intelligence Overview

EPSS Score
0.3%
Top 85% exploitable
Prevalence
Medium
popular WooCommerce trust-badge/review integration plugin, sizable EU e-commerce footprint
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 0.3%
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
Medium
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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