CVE-2025-3583

MEDIUM

Newsletter < 8.7.1 - Authenticated Stored Cross-Site Scripting in Settings

Title source: llm

Description

The Newsletter WordPress plugin before 8.7.1 does not sanitise and escape some of its 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/a6582e14-e21e-48e7-9b4c-0044fb199825/

Scores

CVSS v3 4.8

EPSS 0.0027

EPSS Percentile 19.2%

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 < 8.7.1

Published May 05, 2025

Tracked Since Feb 18, 2026