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CVE-2026-105891— WordPress Event Tickets plugin <= 5.30.0.1 - Broken Access Control vulnerability

Quick assessment

Affected
Liquid Web / StellarWP Event Tickets
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Liquid Web / StellarWP Event Tickets 插件（event-tickets）中存在缺少授权验证的安全漏洞，攻击者可利用此漏洞对配置不当的访问控制安全级别进行非法利用。该漏洞影响 Event Tickets 插件的所有版本，从初始版本到 5.30.0.1。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-105891

Vulnerability Information
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Vulnerability Title
WordPress Event Tickets plugin <= 5.30.0.1 - Broken Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Authorization vulnerability in Liquid Web / StellarWP Event Tickets event-tickets allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Event Tickets: from n/a through 5.30.0.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Liquid Web / StellarWP Event Tickets 0 ~ 5.30.0.1 -

II. Public POCs for CVE-2026-105891

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III. Intelligence Information for CVE-2026-105891

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Other References for CVE-2026-105891 (1)

Same Patch Batch · Liquid Web / StellarWP · 2026-10-08 · 6 CVEs total

CVE-2026-66479 7.1 HIGH WordPress WPComplete plugin <= 2.9.5.6 - CSRF to Stored XSS vulnerability
CVE-2026-105890 6.5 MEDIUM WordPress Gutenberg Blocks by Kadence Blocks plugin <= 3.7.12 - Cross Site Scripting (XSS)
CVE-2026-105888 5.4 MEDIUM WordPress Event Tickets plugin <= 5.30.0.1 - Broken Access Control vulnerability
CVE-2026-106600 5.3 MEDIUM WordPress GiveWP plugin <= 4.18.0 - Broken Access Control vulnerability
CVE-2026-105893 5.3 MEDIUM WordPress Event Tickets plugin <= 5.30.0.1 - Broken Access Control vulnerability

IV. Related Vulnerabilities

Same product: Event Tickets
Same vendor: Liquid Web / StellarWP
Same weakness: CWE-862

V. Comments for CVE-2026-105891

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