CVE-2024-53818 MEDIUM

CVE-2024-53818: WordPress PostX plugin <= 4.1.15 - Cross Site Scripting (XSS) vulnerability

Vendor Wpxpo
Product PostX
Weakness CWE-79 · XSS
Published December 9, 2024
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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 WPXPO PostX ultimate-post.This issue affects PostX: from n/a through <= 4.1.15.

Explanation of Vulnerability in Simple Terms

02Summary

PostX versions up to 4.1.15 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in the browsers of other users, including site administrators. The vulnerability requires user interaction—typically a victim clicking a link or visiting a page containing the payload. Attackers can steal session tokens, modify site content, or perform actions on behalf of affected users.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers and steal their session data or perform actions as them.

Potential impact on your site

04Site Impact

Authenticated attackers can compromise admin accounts and modify site content or settings without direct access.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account and the victim must visit a page containing the injected payload.

Key dates

06Disclosure timeline

December 9, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-57672 WordPress wpDataTables plugin <= 6.5.1.1 - Cross Site Scripting (XSS) vulnerability CVE-2026-57675 WordPress WP Photo Album Plus plugin <= 9.2.02.004 - Cross Site Scripting (XSS) vulnerability CVE-2026-57345 WordPress Internal Links Manager plugin <= 3.0.3 - Cross Site Scripting (XSS) vulnerability CVE-2025-69156 WordPress Kids Zone - Children WordPress Theme theme <= 5.4 - Cross Site Scripting (XSS) vulnerability CVE-2026-57673 WordPress Optimole plugin <= 4.2.7 - Cross Site Scripting (XSS) vulnerability