CVE-2025-3581

MEDIUM

4.8

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).

CVE Details

CVSS v3.1 Score4.8

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionREQUIRED

Published6/9/2025

Last Modified6/12/2025

Sourcenvd

Honeypot Sightings0

Affected Products

thenewsletterplugin:newsletter

Weaknesses (CWE)

CWE-79

References

https://wpscan.com/vulnerability/2d96f018-510d-40ab-9e73-76fa44784813/(contact@wpscan.com)

https://wpscan.com/vulnerability/2d96f018-510d-40ab-9e73-76fa44784813/(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.