WordPress security changelog
MEDIUM CVE-2024-12743 Analyzed

MailPoet: Cross-site scripting

MailPoet is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 4.8 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score Pending NVD has not published its own CVSS assessment.
Component
MailPoet
Plugin slug
mailpoet
Affected
See vendor advisory
Safe version
See mitigation notes
Published
May 15, 2025
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published May 15, 2025 and is one of 4 known issues for this plugin.

Patch or disable the affected component.

Update MailPoet to a release outside the affected range, or disable and remove it until a fixed version is available.

Technical description

The MailPoet WordPress plugin before 5.5.2 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).

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

Primary and upstream sources