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Booktics EUVDEUVD-2026-20225

| CVE-2026-39585 MEDIUM
Missing Authorization (CWE-862)
2026-04-08 Patchstack GHSA-m6q8-fqwc-9pp4
5.3
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
    Identify WordPress site using Booktics
  2. Delivery
    Locate plugin AJAX endpoints
  3. Exploit
    Craft unauthorized action request
  4. Execution
    Bypass missing authorization check
  5. Persist
    Modify booking records
  6. Impact
    Disrupt or poison booking data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Arraytics Booktics must be installed and activated on a WordPress site. The vulnerability exists in the plugin's access control implementation regardless of WordPress security hardening; however, exploitation requires the attacker to identify and reach endpoints that lack authorization checks. Standard WordPress configurations do not prevent this vulnerability if the plugin is present, but sites with strict WAF rules, IP whitelisting, or additional authentication layers may provide incidental protection. The vulnerability is accessible to unauthenticated remote users without any special plugin configuration or feature enablement required.

Impact

The CVSS 3.1 score of 5.3 (Medium) reflects a network-accessible attack with no authentication required, low complexity, and integrity impact (data modification) without confidentiality or availability impact. However, the EPSS score of 0.02% (percentile 4) is notably low, suggesting minimal real-world exploitation activity and a gap between theoretical attack surface and practical threat. The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) confirms unauthenticated remote exploitation is feasible, but the absence of POC code, KEV status, or reported active exploitation indicates this remains a theoretical vulnerability. For organizations using Booktics, the risk is contingent on whether the plugin is exposed to untrusted users and whether the misconfigured endpoints handle sensitive booking data; for most deployments where Booktics is used on trusted sites with standard WordPress security, the practical risk is moderate to low.

Exploit ScenarioDerived

An unauthenticated attacker discovers a publicly exposed WordPress site using Booktics and identifies that plugin endpoints handling booking creation, modification, or deletion do not verify user authorization. The attacker crafts a direct HTTP POST request to /wp-admin/admin-ajax.php with Booktics-specific action parameters, bypassing the missing authorization check to add, modify, or delete booking records without logging in. While this could disrupt legitimate bookings or inject false data, the low EPSS score suggests this vector is rarely exploited in the wild, possibly due to plugin obscurity or limited incentive for attackers.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Apr 15, 2026

Missing authorization in Arraytics Booktics WordPress plugin through version 1.0.16 allows unauthenticated remote attackers to modify application data via incorrectly configured access control security levels. The vulnerability has a low EPSS score (0.02%, percentile 4) despite the network-accessible attack vector, suggesting limited real-world exploitation likelihood. No public exploit code or active CISA KEV status has been identified.

RemediationAI

Update Arraytics Booktics to a version above 1.0.16 once a patched release is available from the vendor. Interim mitigation for sites unable to patch immediately includes restricting access to the Booktics plugin via WordPress user role management, ensuring only trusted administrators and designated booking managers have access to sensitive plugin functions, and implementing Web Application Firewall (WAF) rules to block unauthorized access to plugin endpoints (typically /wp-admin/admin-ajax.php requests with Booktics action parameters). Monitor the Patchstack vulnerability advisory (https://patchstack.com/database/Wordpress/Plugin/booktics/vulnerability/wordpress-booktics-plugin-1-0-16-broken-access-control-vulnerability?_s_id=cve) for patch availability and implementation guidance.

Affected VersionsENISA

Booktics 0 ≤1.0.16

Affected Packages

euvd booktics 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

Arraytics Booktics is a WordPress plugin that implements booking functionality. The vulnerability stems from CWE-862 (Missing Authorization), a class of flaw where the application fails to perform authorization checks before allowing sensitive operations. WordPress plugins execute in the context of the wp-admin or wp-frontend environments and typically rely on WordPress's built-in capability system (roles: Administrator, Editor, Author, Contributor, Subscriber) to gate access to plugin functions. This plugin's access control mechanism is misconfigured, permitting users (potentially unauthenticated) to perform modification actions that should be restricted to authorized roles. The CPE identifier cpe:2.3:a:arraytics:booktics:*:*:*:*:*:*:*:* confirms the affected product scope.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (Patchstack) PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from Vendor (Patchstack) · only source for this CVE.

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
CVSS changed
Apr 13, 2026 - 19:37 NVD
5.3 (MEDIUM)
CVE Published
Apr 08, 2026 - 08:30 nvd
N/A

DescriptionCVE.org

Missing Authorization vulnerability in Arraytics Booktics booktics allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Booktics: from n/a through <= 1.0.16.

Threat Intelligence Overview

EPSS Score
0.0%
Top 96% exploitable
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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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