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Zeinet Theme EUVDEUVD-2026-96291

| CVE-2026-93951 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-10-10 Patchstack GHSA-w3jf-7fmx-p28q
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 to victim via phishing
  3. Exploit
    Victim clicks and server reflects payload
  4. Execution
    Script executes in victim browser
  5. Impact
    Steal session or act as user

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 actively click it (CVSS UI:R) while visiting a site running the Zeinet theme version 1.0.0 or earlier; the injected input is reflected unsanitized into the generated web page. No authentication is required of the attacker (PR:N), but the mandatory user-interaction step is the primary limiting factor - there is no autonomous or drive-by path. Impact is amplified if the clicking victim is an authenticated administrator, enabling session hijacking or actions in that privileged context. The specific vulnerable parameter is not disclosed in the available data.

Impact

This is a moderate-severity reflected cross-site scripting flaw (CVSS 7.1, CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C) in the Zeinet WordPress theme by Bracketweb, affecting all versions up to and including 1.0.0. The CVSS vector indicates network-reachable, low-complexity, unauthenticated exploitation but with required user interaction (UI:R) and a scope change (S:C) reflecting that the injected script executes in the victim's browser rather than the server. No EPSS score was supplied in the input, there is no CISA KEV listing, and no public exploit code is referenced, so there is no public exploit identified at time of analysis. The UI:R requirement materially lowers real-world risk versus a drive-by server-side flaw: an attacker must lure a victim into clicking a crafted link. The 7.1 score is driven largely by the scope change plus Patchstack's assignment of low confidentiality, integrity, AND availability impact; in practice reflected XSS rarely yields genuine availability impact, so the effective impact is likely narrower than the headline score suggests. Net assessment: a credible but not urgent issue - patch in normal cycles rather than as an emergency, barring new exploitation signals.

Exploit ScenarioDerived

An attacker crafts a malicious URL targeting a vulnerable reflected-input parameter on a site running the Zeinet theme (≤1.0.0) and delivers it via phishing email, social media, or a malicious ad. When a logged-in administrator or other user clicks the link, the unsanitized payload reflects back into the generated page and executes JavaScript in their browser session, potentially stealing session cookies or performing actions as that user. No public exploit code is referenced in the available data.

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

Reflected cross-site scripting in the Bracketweb Zeinet WordPress theme (all versions through 1.0.0) allows an unauthenticated remote attacker to inject script that executes in the browser of a victim who clicks a crafted link. Because attacker-supplied input is reflected into the generated page without neutralization (CWE-79, CVSS 7.1), the injected script runs in the origin of the affected site and can steal session cookies, perform actions as the victim, or operate with administrative privileges if the clicking victim is a logged-in admin. The flaw has not been confirmed as actively exploited (no CISA KEV listing) and no public exploit code has been identified at time of analysis; exploitation hinges on user interaction (CVSS UI:R), which is the primary limiting factor.

RemediationAI

No vendor-released patch identified at time of analysis - the supplied references contain only the Patchstack vulnerability entry and no fixed Zeinet version, GitHub commit, or theme update has been confirmed, so administrators should not assume an upgrade path currently exists. The most reliable mitigation is to deactivate and uninstall the Zeinet theme until Bracketweb ships a corrected release; the trade-off is loss of the theme's presentation layer, requiring a substitute theme. If the theme must remain active, deploy a web application firewall or reverse-proxy rule set that inspects and blocks reflected script payloads in query strings and request bodies (trade-off: possible false positives on legitimate content and bypasses via encoding), and apply a strict Content-Security-Policy that forbids inline scripts and restricts script-src to trusted origins (trade-off: CSP can break theme or plugin functionality and must be tested in report-only mode first). Because the highest-value target is a logged-in administrator who clicks a crafted link, restrict access to wp-admin and the login page by IP allow-listing or additional authentication, and advise privileged users to avoid following untrusted links while authenticated (trade-off: reduced administrative flexibility and added login friction). Monitor the Patchstack advisory page for a fixed version before redeploying the theme.

Affected VersionsENISA

Zeinet 0 ≤1.0.0

Affected Packages

euvd zeinet 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) flaw in a WordPress theme, classified as CWE-79: Improper Neutralization of Input During Web Page Generation. The Zeinet theme, distributed by Bracketweb for WordPress, takes input received in an HTTP request and echoes it into the HTML it generates without adequate encoding or escaping, so a crafted request causes attacker-controlled markup or JavaScript to be rendered in the victim's browser within the site's origin. The CPE entry cpe:2.3:a:bracketweb:zeinet:*:*:*:*:*:*:*:* uses a wildcard version, indicating the full Zeinet release line through 1.0.0 is in scope. The assessed and published vectors both carry AV:N/AC:L/PR:N, meaning the attacker needs no credentials and only a network path, while UI:R reflects that the victim must actively follow an attacker-crafted URL rather than a drive-by or autonomous trigger; the scope-changed rating (S:C) reflects that the injected script operates against the site's origin, and the low confidentiality and integrity impacts represent possible session/cookie exposure and in-page action tampering. The exact vulnerable parameter or endpoint is not disclosed in the available data, so defenders should treat any reflected request parameter in the theme as suspect.

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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

Network-reachable reflected XSS needs no privileges (PR:N) but requires victim click (UI:R); script runs in browser so S:C with limited C/I, 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 Bracketweb Zeinet zeinet allows Reflected XSS.This issue affects Zeinet: from n/a through 1.0.0.

Executive ViewAI

Why It Matters

Bracketweb Zeinet WordPress theme versions up to and including 1.0.0 contain a reflected cross-site scripting vulnerability that allows an attacker to inject malicious script into a victim's browser when they click a crafted link. This could enable session hijacking and, if the victim is a logged-in administrator, full site compromise. No vendor patch is available, so immediate interim mitigations are critical to reduce risk.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include disabling the Bracketweb Zeinet theme if not essential for business operations, deploying a Web Application Firewall (WAF) with virtual patching for XSS, enforcing a strict Content Security Policy (CSP), and conducting user awareness training to avoid clicking untrusted links. Additionally, monitor for suspicious administrative activity and consider using security plugins that offer XSS protection.

Threat Intelligence Overview

EPSS Score
0.1%
Top 97% exploitable
Prevalence
Low
niche WordPress theme, limited installation base
Social Media
1
Sightings
Data Quality
6 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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