MailPoet – emails and newsletters in WordPress <= 3.23.1 - Reflected Cross-Site Scripting via URL parameter

2019-04-16 00:00

Jan van der Put

Strategic Overview

Status

Patched in 3.23.2

Affected PluginMailPoet – Newsletters, Email Marketing, and Automation

Affected Version< 3.23.2

CVSS6.1Medium

CVECVE-2019-11843

View all MailPoet – Newsletters, Email Marketing, and Automation vulnerabilities

Vulnerability Overview

The MailPoet plugin before 3.23.2 for WordPress allows remote attackers to inject arbitrary web script or HTML using extra parameters in the URL (Reflective Server-Side XSS).

Technical Analysis

REMEDIATION: Update to version 3.23.2, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2019-11843 https://www.wordfence.com/threat-intel/vulnerabilities/id/075e64fb-acaf-4f0f-bbc8-db7855184970

CVSS Vector

6.1

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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