CVE-2025-53256 HIGH

CVE-2025-53256: WordPress YaySMTP plugin <= 2.6.6 - SQL Injection Vulnerability

Vendor Yaycommerce
Product YaySMTP
Weakness CWE-89 · SQLi
Published June 27, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

7.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in YayCommerce YaySMTP yaysmtp allows SQL Injection.This issue affects YaySMTP: from n/a through <= 2.6.6.

Explanation of Vulnerability in Simple Terms

02Summary

YaySMTP versions 2.6.6 and earlier contain a SQL injection vulnerability accessible to high-privilege users. An attacker with admin or equivalent access can inject malicious SQL commands through unfiltered input, potentially reading sensitive database records. The vulnerability also impacts system availability. Update to version 2.7.5 or later to remediate.

What an attacker can do

03Attacker Capabilities

Read sensitive data from the site's database and cause service disruption.

Potential impact on your site

04Site Impact

Unauthorized database access and potential downtime if exploited by a compromised admin account.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin or equivalent privileges on the site.

Key dates

06Disclosure timeline

June 27, 2025 CVE published
April 28, 2026 Record updated