CVE-2025-3584

MEDIUM

Newsletter < 8.8.2 - Authenticated Stored Cross-Site Scripting in Subscription Settings

Title source: llm

Description

The Newsletter WordPress plugin before 8.8.2 does not sanitise and escape some of its Subscription settings, 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).

References (1)

Core 1

Core References

Exploit, Third Party Advisory exploit vdb-entry technical-description

https://wpscan.com/vulnerability/76937bdd-7ffa-4b5e-ade1-60da095a03a3/

Scores

CVSS v3 4.8

EPSS 0.0021

EPSS Percentile 11.2%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (1)

thenewsletterplugin/newsletter < 8.8.2

Published Jun 03, 2025

Tracked Since Feb 18, 2026