CVE-2025-30573

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

5.9 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.35%Up 0.3 points since Mar 25, 2025

What each source reports

CVE List Score used 5.9

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

Record: CVE-2025-30573
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-7951 5.9

Record: EUVD-2025-7951
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-3x87-43vv-824j 5.9

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in mrdenny My Default Post Content allows Stored XSS. This issue affects My Default Post Content: from n/a through 0.7.3.

Record: GHSA-3x87-43vv-824j
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 5.9

Record: CVE-2025-30573
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

mrdenny my default post content

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-30573 is a medium vulnerability (CVSS 5.9) in Mrdenny My Default Post Content, published March 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 29th percentile. No source names a fixed version.