CVE-2023-28421 MEDIUM

CVE-2023-28421: WordPress WordPress Email Marketing Plugin – WP Email Capture Plugin <= 3.10 is vulnerable to Sensitive Data Exposure

Vendor Winwar Media
Product WordPress Email Marketing Plugin – WP Email Capture
Weakness CWE-200 · Info exposure
Published December 21, 2023
Last update April 28, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Winwar Media WordPress Email Marketing Plugin – WP Email Capture.This issue affects WordPress Email Marketing Plugin – WP Email Capture: from n/a through 3.10.

Explanation of Vulnerability in Simple Terms

02Summary

WP Email Capture versions 3.10 and earlier expose sensitive information that can be accessed over the network without authentication. An attacker can retrieve data from the plugin without needing to log in or interact with a site administrator. This exposure affects the confidentiality of stored information but does not allow modification or deletion of data.

What an attacker can do

03Attacker Capabilities

Read sensitive data stored by the plugin without logging in.

Potential impact on your site

04Site Impact

Subscriber email addresses and other captured data may be exposed to unauthorized access.

Conditions required to exploit

05Prerequisites

Network access to the WordPress site; no authentication or user interaction required.

Key dates

06Disclosure timeline

December 21, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE