CVE-2023-28690 MEDIUM

CVE-2023-28690: WordPress WP BrowserUpdate Plugin <= 4.5 is vulnerable to Cross Site Scripting (XSS)

Vendor Marco Steinbrecher
Product WP BrowserUpdate
Weakness CWE-79 · XSS
Published August 17, 2023
Last update April 28, 2026
View on NVD All CVEs

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 Marco Steinbrecher WP BrowserUpdate plugin <= 4.5 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WP BrowserUpdate through version 4.5 contains a cross-site scripting (XSS) vulnerability that allows an authenticated administrator to inject malicious scripts. The vulnerability requires user interaction—typically clicking a malicious link—and can affect other users on the site. An attacker with admin privileges can craft a payload that executes in the browsers of site visitors.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in visitors' browsers when they interact with the site.

Potential impact on your site

04Site Impact

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

Conditions required to exploit

05Prerequisites

Attacker must have administrator access and the victim must click a link or visit a page containing the payload.

Key dates

06Disclosure timeline

August 17, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

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