CVE-2023-32515 MEDIUM

CVE-2023-32515: WordPress Custom Field Suite Plugin <= 2.6.2.1 is vulnerable to Cross Site Scripting (XSS)

Vendor Matt Gibbs
Product Custom Field Suite
Weakness CWE-79 · XSS
Published May 18, 2023
Last update April 28, 2026

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Matt Gibbs Custom Field Suite plugin <= 2.6.2.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Custom Field Suite versions up to 2.6.2.1 contain a stored cross-site scripting (XSS) vulnerability. An authenticated admin can inject malicious scripts into custom fields that execute when other users view the affected content. The vulnerability requires admin privileges and user interaction to exploit, but can affect site visitors across the application.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they view custom field content.

Potential impact on your site

04Site Impact

A compromised admin account can inject scripts affecting all site visitors, potentially stealing session tokens or redirecting users.

Conditions required to exploit

05Prerequisites

Admin-level access to the site and the victim must view a page containing the injected custom field.

Key dates

06Disclosure timeline

May 18, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE