CVE-2026-28173 HIGH

CVE-2026-28173: WordPress WP Event SOlution plugin <= 4.1.19 - Arbitrary Content Deletion vulnerability

Vendor Arraytics

Product WP Event SOlution

Weakness CWE-862 · Missing authorization

Published August 13, 2026

Last update August 13, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality None

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

What the vulnerability does

01Description

Customer Arbitrary Content Deletion in WP Event SOlution <= 4.1.19 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WP Event Solution versions up to 4.1.19 lack proper authorization checks, allowing authenticated users with low privileges to modify site data and cause service disruptions. An attacker with a basic user account can alter event information and trigger availability issues without needing admin rights. Update to a version newer than 4.1.19 to resolve this vulnerability.

What an attacker can do

03Attacker Capabilities

Modify event data and disrupt site availability with a low-privilege user account.

Potential impact on your site

04Site Impact

Unauthorized users can alter events and cause the site to become unavailable or unstable.

Conditions required to exploit

05Prerequisites

Attacker must have a valid user account with low privileges on the site.

Key dates

06Disclosure timeline

August 13, 2026 CVE published

August 13, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-28173 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

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