CVE-2023-27437 LOW

CVE-2023-27437: WordPress Event Espresso 4 Decaf plugin <= 4.10.44.decaf - Bypass vulnerability

Vendor Event Espresso

Product Event Espresso 4 Decaf

Weakness CWE-862 · Missing authorization

Published June 3, 2024

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

3.7/10

Attack vector Network

Attack complexity High

Privileges required None

User interaction None

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Event Espresso Event Espresso 4 Decaf allows Functionality Misuse.This issue affects Event Espresso 4 Decaf: from n/a through 4.10.44.Decaf.

Explanation of Vulnerability in Simple Terms

02Summary

Event Espresso 4 Decaf through version 4.10.44.decaf lacks proper authorization checks, allowing an attacker to modify certain data without authentication. The attack requires specific network conditions to succeed. This affects the integrity of event data but does not expose sensitive information or cause service disruption.

What an attacker can do

03Attacker Capabilities

Modify event data without logging in, under specific network conditions.

Potential impact on your site

04Site Impact

Unauthorized changes to event information; requires patching to prevent data tampering.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

June 3, 2024 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-27437 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

Related vulnerabilities

Identifiers

CVE CVE-2023-27437

CWE CWE-862

CVSS 3.7 / LOW

Affected versions