CVE-2023-52233 HIGH

CVE-2023-52233: WordPress POST SMTP Mailer plugin <= 2.8.6 - Broken Access Control on API vulnerability

Vendor Post Smtp

Product Post SMTP Mailer/Email Log

Weakness CWE-862 · Missing authorization

Published June 11, 2024

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

8.6/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality Low

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Post SMTP Post SMTP Mailer/Email Log.This issue affects Post SMTP Mailer/Email Log: from n/a through 2.8.6.

Explanation of Vulnerability in Simple Terms

02Summary

Post SMTP Mailer/Email Log versions up to 2.8.6 lack proper authorization checks, allowing unauthenticated attackers to modify email settings and logs over the network. An attacker can change mail server configuration, intercept emails, or delete audit records without needing valid credentials or user interaction. This affects any WordPress site running the vulnerable plugin.

What an attacker can do

03Attacker Capabilities

Modify email settings, intercept messages, or delete email logs without authentication.

Potential impact on your site

04Site Impact

Attackers can hijack outgoing email, compromise password resets, or erase evidence of their activity.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

June 11, 2024 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-52233 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

Related vulnerabilities

Identifiers

CVE CVE-2023-52233

CWE CWE-862

CVSS 8.6 / HIGH

Affected versions