CVE-2023-51399 MEDIUM

CVE-2023-51399: WordPress Back Button Widget Plugin <= 1.6.3 is vulnerable to Cross Site Scripting (XSS)

Vendor Wpfactory
Product Back Button Widget
Weakness CWE-79 · XSS
Published December 29, 2023
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPFactory Back Button Widget allows Stored XSS.This issue affects Back Button Widget: from n/a through 1.6.3.

Explanation of Vulnerability in Simple Terms

02Summary

Back Button Widget versions up to 1.6.3 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious JavaScript that executes in the browsers of other site visitors. The vulnerability requires user interaction to trigger and can affect multiple parts of the site due to scope change.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in other users' browsers when they view affected pages.

Potential impact on your site

04Site Impact

Authenticated users can deface pages, steal visitor data, or redirect traffic without your knowledge or consent.

Conditions required to exploit

05Prerequisites

Attacker must be logged in with low-level user privileges and trick a site visitor into viewing a page containing the injected code.

Key dates

06Disclosure timeline

December 29, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE