CVE-2023-25781 MEDIUM

CVE-2023-25781: WordPress Upload File Type Settings Plugin Plugin <= 1.1 is vulnerable to Cross Site Scripting (XSS)

Vendor Sebastian Krysmanski
Product Upload File Type Settings Plugin
Weakness CWE-79 · XSS
Published May 26, 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 Sebastian Krysmanski Upload File Type Settings plugin <= 1.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The Upload File Type Settings Plugin for WordPress contains a stored cross-site scripting (XSS) vulnerability in versions up to 1.1. An authenticated administrator with high privileges can inject malicious scripts through plugin settings that execute in the browsers of other users viewing those settings. The vulnerability requires user interaction and affects the integrity and confidentiality of the WordPress admin interface.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts into plugin settings that execute when other admins view the settings page.

Potential impact on your site

04Site Impact

Admins viewing plugin settings could have their sessions hijacked or credentials stolen via injected scripts.

Conditions required to exploit

05Prerequisites

Attacker must be a high-privilege WordPress user (administrator); victim must visit the affected settings page.

Key dates

06Disclosure timeline

May 26, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE