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Educavo EUVDEUVD-2026-96529

| CVE-2026-78534 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-10-10 Patchstack GHSA-xwj8-q4hw-6cqh
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 payload URL
  2. Delivery
    Lure victim to click link
  3. Exploit
    Payload reflected in Educavo theme output
  4. Execution
    Script executes in victim browser
  5. Impact
    Steal session or perform 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 user interaction (UI:R): an attacker must induce a visitor or logged-in administrator of a site running the Educavo WordPress theme (version 3.4.2 or earlier) to click a crafted link or load attacker-controlled input that the theme renders without proper sanitization. No authentication is required of the attacker (PR:N), and the attack works against affected sites over the network, but the specific vulnerable parameter or theme feature is not named in the available data. The need for victim interaction and the requirement that the target site actually runs this particular theme limit real-world exploitation to targeted phishing-style delivery rather than automated mass compromise.

Impact

This is a moderate-priority issue rather than a critical one. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L, base 7.1) indicates a network-reachable, unauthenticated (PR:N), low-complexity flaw, but it requires user interaction (UI:R) - a victim must be lured into triggering the reflected/stored payload - and impacts are only Low across confidentiality, integrity, and availability. The scope-changed (S:C) metric is typical of XSS where script executes in a victim's browser context separate from the vulnerable web application. No EPSS score was supplied, so exploitation probability cannot be quantified. The vulnerability is NOT listed in CISA KEV and no public exploit code was provided in the intelligence, so there is no public exploit identified at time of analysis. No SSVC decision data was provided. The dependence on user interaction and the low per-impact ratings mean this is a 'high-CVSS-but-moderate-real-risk' issue: dangerous for session/credential theft or admin-targeted phishing on affected sites, but not a wormable or server-takeover condition. The source (Patchstack) is a reputable WordPress-vulnerability feed, which lends credibility to the finding even without an independent vendor advisory.

Exploit ScenarioDerived

An attacker crafts a malicious URL or input containing JavaScript targeting the Educavo WordPress theme and lures a site visitor or administrator into clicking it (satisfying UI:R). When the victim's browser renders the unsanitized output, the attacker's script executes in the site's context, enabling session cookie theft, credential harvesting, or actions on behalf of the victim. No public exploit code was identified at time of analysis.

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 10, 2026

Cross-site scripting in the Educavo WordPress theme through version 3.4.2 lets unauthenticated attackers get malicious script executed in the browser of a victim who is induced to load attacker-influenced content, with the change-of-scope vector (CVSS 7.1) reflecting that the injected code runs in the context of the targeted site. Exploitation requires user interaction, so delivery is effectively targeted (a crafted link or payload aimed at a site visitor or administrator) rather than automated mass compromise, and no public exploit code was identified at time of analysis. This is a moderate-priority issue rather than a critical one, and its reach is further limited to sites that actually run this specific theme.

RemediationAI

No vendor-released patch was identified at time of analysis, so the primary action is to stop running the affected code: check whether Educavo is active, and if it is not required, deactivate and remove it entirely - the trade-off being loss of the site's current layout and any theme-specific configuration, which should be staged on a test instance first. If the theme must stay, monitor the Patchstack advisory page and the vendor (Keen IT Solutions) for a fixed release and upgrade the moment a version above 3.4.2 is published, since the vulnerability is version-bounded at 3.4.2; do not assume a fix exists without confirming a specific version number. As compensating controls, deploy a web application firewall with virtual-patching rules that reject requests containing angle brackets, script/event-handler patterns or encoded equivalents in query strings and form fields processed by the theme, accepting that overly broad rules can cause false positives on legitimate content; enforce a restrictive Content-Security-Policy that disallows inline and third-party script execution, which mitigates impact but often requires per-site tuning and can break legitimate theme scripts; and set session and authentication cookies with HttpOnly and SameSite attributes plus short session lifetimes to reduce the value of any script that does execute. Because exploitation depends on victim interaction, pairing these controls with user awareness and limiting who can post or submit content to the site reduces practical exposure, and any indication of prior compromise should be handled with a review of administrator accounts, injected page content and outbound redirects.

Affected VersionsENISA

Educavo n/a ≤3.4.2

Affected Packages

euvd educavo 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 root cause is CWE-79 (Improper Neutralization of Input During Web Page Generation, i.e. classic cross-site scripting): the Educavo theme, a commercial WordPress theme from Keen IT Solutions identified by CPE cpe:2.3:a:keen_it_solutions:educavo:*, reflects or renders attacker-controllable input into generated HTML without adequate escaping, so browser markup such as script tags is interpreted rather than displayed as text. The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L describes a network-reachable, low-complexity flaw that requires no authentication on the attacker's side but does require a victim to interact with attacker-supplied input; the changed scope (S:C) is the key multiplier, because the injected script executes in the security context of the victim's session on the affected WordPress site, meaning even Low confidentiality and integrity impacts can be chained into session or cookie theft, content injection, credential-harvesting overlays, or redirection. The advisory comes from Patchstack's WordPress vulnerability database; neither the exact vulnerable parameter nor the specific theme feature (template, shortcode, search handler or settings field) is disclosed in the available data, which means defenders should treat all user-influenced output paths in the theme as potentially affected.

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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

Unauthenticated network XSS (PR:N, AV:N) needing victim interaction (UI:R); browser-context execution crosses scope (S:C) with low C/I/A impact typical of reflected XSS.

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: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 Educavo <= 3.4.2 versions.

Executive ViewAI

Why It Matters

The Educavo WordPress theme, versions up to and including 3.4.2, contains a high-severity cross-site scripting flaw that can execute malicious script in the browser of a victim who is induced to load attacker-influenced content. This is a targeted, user-interaction-dependent issue affecting only sites that run the theme, rather than a broad automated compromise vector, and no public exploit identified at time of analysis. Leadership should care because affected sites may face visitor or administrator session compromise, defacement, or data theft, and no vendor-released patch identified at time of analysis.

Business Impact: Medium
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include disabling or removing the Educavo theme until a fixed version is available, deploying WAF/virtual patching rules to block XSS payloads targeting the theme, enforcing a restrictive Content Security Policy, restricting untrusted content, and monitoring the vendor advisory for updates.

Threat Intelligence Overview

EPSS Score
0.1%
Top 96% exploitable
Prevalence
Low
niche WordPress education 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 0.1%
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
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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