CVE-2025-3581

MediumCVSS 4.8/10Last modified Jun 17, 2026

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 3.1 4.8/10CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published: Jun 9, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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