CVE-2025-30573 - CVE House

Status published Medium CVE-2025-30573

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

5.9 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Nabil Irawan | Patchstack Bug Bounty Program

References

https://patchstack.com/database/Wordpress/Plugin/my-default-post-content/vulnerability/wordpress-my-default-post-content-0-7-3-cross-site-scripting-xss-vulnerability?_s_id=cve

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Affected Vendor

mrdenny

View all reports →

Affected Software

My Default Post Content

Vulnerable Versions:

Timeline

Official Publish: March 24th, 2025

Last Modified: April 28th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

Initial Access

T1059.007 JavaScript

Execution

T1539 Steal Web Session Cookie

Collection

T1213 Data from Information Repositories