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VULNERABILITIES

CVE-2025-3581 Details

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).

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:4.8 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://wpscan.com/vulnerability/2d96f018-510d-40ab-9e73-76fa44784813/ CISA-ADPExploitThird Party Advisory
https://wpscan.com/vulnerability/2d96f018-510d-40ab-9e73-76fa44784813/ [email protected]ExploitThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions
thenewsletterplugin newsletter
< 8.8.5

CPE

  • cpe:2.3:a:thenewsletterplugin:newsletter:*:*:*:*:*:wordpress:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2025-3581
NVD Published Date:
Jun 9, 2025
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2025-3581 Details - Not Deferred