CVE-2024-29128 HIGH

CVE-2024-29128: WordPress POST SMTP Mailer plugin <= 2.8.6 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Post Smtp
Product POST SMTP
Weakness CWE-79 · XSS
Published March 19, 2024
Last update April 28, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Post SMTP POST SMTP allows Reflected XSS.This issue affects POST SMTP: from n/a through 2.8.6.

Explanation of Vulnerability in Simple Terms

02Summary

Post SMTP versions up to 2.8.6 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link or page that, when visited by a site administrator or user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a user's browser to steal credentials or perform unauthorized actions.

Potential impact on your site

04Site Impact

Administrators or users visiting a crafted link could have their sessions hijacked or credentials stolen, compromising site security.

Conditions required to exploit

05Prerequisites

Attacker must trick a user into visiting a malicious link or page (user interaction required). No authentication needed.

Key dates

06Disclosure timeline

March 19, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE