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CVE-2026-42662: CWE-290 Authentication Bypass by Spoofing in Liquid Web / StellarWP Event Tickets

0
Medium
VulnerabilityCVE-2026-42662cvecve-2026-42662cwe-290
Published: Mon Jun 15 2026 (06/15/2026, 20:18:43 UTC)
Source: CVE Database V5
Vendor/Project: Liquid Web / StellarWP
Product: Event Tickets

Description

CVE-2026-42662 is an authentication bypass vulnerability affecting Liquid Web / StellarWP Event Tickets plugin versions up to 5.27.5. This vulnerability allows unauthenticated attackers to bypass authentication controls, potentially leading to limited integrity and availability impacts. The vulnerability is classified under CWE-290 (Authentication Bypass by Spoofing) and has a medium severity rating with a CVSS score of 6.5.

CVSS v3.1

Score 6.5medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Affected software

Affected versions
<=5.27.5

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/15/2026, 21:17:05 UTC

Technical Analysis

This vulnerability in the Event Tickets plugin (versions <= 5.27.5) allows unauthenticated attackers to bypass authentication mechanisms, categorized as CWE-290. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, unchanged scope, no confidentiality impact, limited integrity impact, and limited availability impact. No official patch or remediation guidance is currently available, and no known exploits have been reported in the wild.

Potential Impact

An attacker can bypass authentication controls without credentials, which may allow unauthorized actions that affect the integrity and availability of the affected system. Confidentiality is not impacted according to the CVSS vector. The impact is limited but could disrupt normal operations or modify data within the scope of the plugin.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary mitigation is currently documented, users should monitor vendor communications for updates. Until a patch is available, consider restricting access to the affected plugin or implementing compensating controls if feasible.

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Technical Details

Data Version
5.2
Assigner Short Name
Patchstack
Date Reserved
2026-04-29T09:04:47.838Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a3061590b89be688893d6b1

Added to database: 6/15/2026, 8:32:25 PM

Last enriched: 6/15/2026, 9:17:05 PM

Last updated: 6/16/2026, 6:26:59 AM

Views: 8

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