Description

The Newsletter WordPress plugin before 8.8.5 does not validate and escape some of its Widget options before outputting them back in a page/post where the block is embed, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

INFO

Published Date :

2025-06-09T06:00:01.730Z

Last Modified :

2025-06-10T15:13:27.616Z

Source :

WPScan
AFFECTED PRODUCTS

The following products are affected by CVE-2025-3581 vulnerability.

Vendors Products
Thenewsletterplugin
  • Newsletter
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-3581.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact