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Education Center CVE-2026-94063

| EUVDEUVD-2026-95786 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-10-09 Patchstack GHSA-jxj6-p37r-84f6
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 URL with XSS payload
  2. Delivery
    Deliver link via phishing to site user
  3. Exploit
    Victim clicks, payload reflected into page
  4. Execution
    Script executes in victim browser session
  5. Impact
    Steal session/cookies 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 a victim with access to a site running ThemeREX Education Center theme version 3.6.12 or earlier to click an attacker-crafted link containing the XSS payload (UI:R is the primary limiting factor). No authentication is required of the attacker (PR:N), and the payload is reflected rather than stored, so it only executes for users who follow the malicious link - there is no persistent server-side implant. The specific injectable parameter or theme feature is not named in the advisory description; realistic impact is bounded to the clicking user's browser session (session token theft, actions-as-user, or page manipulation) and is highest-value when the victim is a logged-in administrator.

Impact

This is a reflected cross-site scripting (CWE-79) flaw in the ThemeREX 'Education Center' WordPress theme (<= 3.6.12), 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 signals point to a moderate, not emergency, priority. On the escalating side: the vector is network-based, low-complexity, and unauthenticated (PR:N), with a scope change (S:C) reflecting that injected script executes in the victim's browser context rather than the server's. On the de-escalating side: exploitation requires user interaction (UI:R) - a victim must click a crafted link - which is characteristic of reflected (non-persistent) XSS and makes mass, automatable exploitation harder than for stored XSS or server-side RCE. No EPSS score was supplied in the input, so exploitation probability cannot be quantified here. The CVE is NOT in CISA KEV and no public exploit code is referenced, so there is no public exploit identified at time of analysis. The impacts are all rated Low (C:L/I:L/A:L), consistent with session/data exposure or UI manipulation within a single user's session rather than full compromise. Note a minor conflict to verify: Patchstack's vector assigns A:L (availability) to an XSS issue, which is unusual - reflected XSS typically has no direct availability impact, so that metric may be an upstream scoring convention rather than a real denial-of-service capability. Overall this is a legitimate but mid-tier web vulnerability whose real-world risk is gated by user interaction and the niche deployment of the affected theme.

Exploit ScenarioDerived

An attacker crafts a URL for a site running the ThemeREX Education Center theme that embeds malicious JavaScript in a reflected parameter, then delivers it via phishing email, malicious ad, or a link on another site. When an authenticated administrator or visitor clicks the link, the unsanitized input is reflected into the generated page and the script executes in their browser session. No public proof-of-concept is referenced in the provided data, and successful exploitation depends on the victim clicking the attacker's link (UI:R).

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 09, 2026

Reflected cross-site scripting (XSS) in the ThemeREX Education Center WordPress theme (versions up to and including 3.6.12) allows remote attackers to execute arbitrary JavaScript in a victim's browser when they click a crafted link. The flaw requires user interaction (UI:R) and no authentication (PR:N), and it is reported by Patchstack with a CVSS 3.1 base score of 7.1; however, our assessment indicates no availability impact (A:N), limiting the impact to confidentiality and integrity of the victim's session. No public exploit code or active exploitation has been identified at time of analysis.

RemediationAI

No patched version is specified in the available advisory data; consult the Patchstack advisory at https://patchstack.com/database/wordpress/theme/education/vulnerability/wordpress-education-center-theme-3-6-12-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve for updates and apply any vendor-released fix. If no patch is available, consider temporarily disabling the Education Center theme. As a compensating control, deploy a web application firewall (WAF) configured to block reflected XSS payloads, though this may cause false positives and requires tuning. Ensure that any custom theme modifications sanitize and escape all user-supplied output, and advise users-particularly administrators-to avoid clicking suspicious links.

Affected VersionsENISA

Education Center 0 ≤3.6.12

Affected Packages

euvd education_center 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 (CWE-79) issue in a WordPress theme. WordPress themes are PHP-based and often output user-supplied input in pages such as search results, error messages, or parameterized URLs without proper sanitization or escaping. In this case, the ThemeREX 'Education Center' theme fails to neutralize input during web page generation, allowing an attacker to inject a script that executes in the context of the victim's browser. The specific injectable parameter or theme feature is not named in the advisory. The CPE cpe:2.3:a:themerex:education_center:*:*:*:*:*:*:*:* confirms the affected product as the Education Center theme. The CVSS vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) indicates that exploitation is network-based, requires no authentication, and requires the victim to interact (click a link). The scope is changed (S:C) because the injected script can affect resources beyond the vulnerable component, such as the victim's browser session. Our assessment aligns with this vector, noting no availability impact. Realistic impact includes session token theft, actions performed as the victim, or page manipulation, with the highest risk when the victim is a logged-in administrator.

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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 delivered via crafted link: network, low complexity, no attacker auth (PR:N) but requires victim click (UI:R), scope change into browser context; low confidentiality/integrity impact and no genuine availability impact (A:N).

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeREX Education Center education allows Reflected XSS.This issue affects Education Center: from n/a through 3.6.12.

Executive ViewAI

Why It Matters

The ThemeREX Education Center WordPress theme, used by organizations to host educational content, is affected by a high-severity reflected cross-site scripting vulnerability (CVE-2026-94063) in versions up to and including 3.6.12. An unauthenticated attacker can trick a user into clicking a crafted link, executing malicious scripts in the victim's browser, which could lead to session hijacking, credential theft, or defacement. Because no vendor patch is currently available, leadership should prioritize mitigation and monitoring to protect affected users and maintain trust.

Business Impact: High
Compensating Controls

Deploy WAF rules to filter XSS payloads, restrict access to the vulnerable theme, conduct user awareness training, and monitor logs for exploitation attempts. No vendor patch is available; interim mitigations include disabling the theme if non-essential or applying virtual patching.

Threat Intelligence Overview

EPSS Score
0.1%
Top 97% exploitable
Prevalence
Low
niche commercial WordPress theme, limited and industry-specific deployment
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 0.1%
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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