CVE-2023-40202 MEDIUM

CVE-2023-40202: WordPress WP HTML Mail Plugin <= 3.4.1 is vulnerable to Cross Site Request Forgery (CSRF)

Vendor Hannes Etzelstorfer // Codemiq

Product WP HTML Mail

Weakness CWE-352 · CSRF

Published October 3, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

5.4/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Cross-Site Request Forgery (CSRF) vulnerability in Hannes Etzelstorfer // codemiq WP HTML Mail plugin <= 3.4.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WP HTML Mail versions up to 3.4.1 are vulnerable to cross-site request forgery (CSRF) attacks. An attacker can craft a malicious link or page that, when visited by a logged-in site administrator, performs unwanted actions within the plugin without the admin's knowledge or consent. This could allow modification of plugin settings or other administrative functions.

What an attacker can do

03Attacker Capabilities

Trick a logged-in admin into performing unwanted plugin actions via a malicious link or page.

Potential impact on your site

04Site Impact

Plugin settings could be changed or administrative actions performed without your knowledge if you click a malicious link.

Conditions required to exploit

05Prerequisites

Admin must visit attacker-controlled page while logged into WordPress.

Key dates

06Disclosure timeline

October 3, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-40202 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/352.html AskarLabs — CWE-352 write-up Cross-Site Request Forgery

Related vulnerabilities

Identifiers

CVE CVE-2023-40202

CWE CWE-352

CVSS 5.4 / MEDIUM

Affected versions