CVE-2025-30573 MEDIUM

CVE-2025-30573: WordPress My Default Post Content plugin <= - 0.7.3 Cross Site Scripting (XSS) Vulnerability

Vendor Mrdenny
Product My Default Post Content
Weakness CWE-79 · XSS
Published March 24, 2025
Last update April 28, 2026

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/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 mrdenny My Default Post Content my-default-post-content allows Stored XSS.This issue affects My Default Post Content: from n/a through <= 0.7.3.

Explanation of Vulnerability in Simple Terms

02Summary

My Default Post Content versions 0.7.3 and earlier contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with high privileges can inject malicious scripts into post content that execute in the browsers of other users viewing that content. The vulnerability requires user interaction and affects the integrity and confidentiality of site data.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts into post content that run in other users' browsers.

Potential impact on your site

04Site Impact

Compromised admin accounts can inject scripts affecting all site visitors; data theft and account hijacking possible.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin privileges and trick a user into viewing the malicious post.

Key dates

06Disclosure timeline

March 24, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE