PT-2025-24402 · WordPress · The Newsletter

Dmitry Ignatyev

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Published

2025-06-09

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Updated

2025-06-09

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CVE-2025-3581

CVSS v3.1

4.8

Medium

VectorAV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions The Newsletter WordPress plugin versions prior to 8.8.5
Description The issue concerns a lack of validation and escaping of certain Widget options in the plugin, which can lead to Stored Cross-Site Scripting attacks. This can be exploited by high-privilege users, such as admins, even when the unfiltered html capability is disallowed, for example, in multisite setups.
Recommendations For versions prior to 8.8.5, update to version 8.8.5 or later to resolve the issue.

Exploit

Fix

XSS

Weakness Enumeration

Related Identifiers

CVE-2025-3581

Affected Products

The Newsletter