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

published 2025-03-24 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-7951

cvss: 5.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 19 mo ago (2025-03-31)

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.9	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

Affected products

mrdenny My Default Post Content

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/my-default-post-content/vulnerability/wordpress-my-default-post-content-0-7-3-cross
vdb-entry

Sources

CVE List CVE-2025-30573
NVD CVE-2025-30573

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary