CVE-2026-57687 HIGH

CVE-2026-57687: WordPress Custom Field Template plugin <= 2.7.8 - SQL Injection vulnerability

Vendor Hiroaki Miyashita
Product Custom Field Template
Weakness CWE-89 · SQLi
Published July 2, 2026
Last update July 2, 2026
View on NVD All CVEs

CVSS base score

8.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Contributor SQL Injection in Custom Field Template <= 2.7.8 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Custom Field Template versions up to 2.7.8 contain a SQL injection vulnerability in database query construction. An authenticated user with low privileges can craft malicious input to extract sensitive data from the database or disrupt site availability. The vulnerability affects multiple database operations and may impact other users' data depending on site configuration.

What an attacker can do

03Attacker Capabilities

Read sensitive data from the database or cause the site to become unavailable.

Potential impact on your site

04Site Impact

User data and site configuration details may be exposed; site performance may degrade or fail.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the site.

Key dates

06Disclosure timeline

July 2, 2026 CVE published