CVE-2023-29424 HIGH

CVE-2023-29424: WordPress ShiftController Employee Shift Scheduling Plugin <= 4.9.23 is vulnerable to Cross Site Scripting (XSS)

Vendor Plainware
Product ShiftController Employee Shift Scheduling
Weakness CWE-79 · XSS
Published June 26, 2023
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Plainware ShiftController Employee Shift Scheduling plugin <= 4.9.23 versions.

Explanation of Vulnerability in Simple Terms

02Summary

ShiftController Employee Shift Scheduling versions up to 4.9.23 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link or page that, when visited by a user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in users' browsers to steal session tokens, credentials, or perform actions as the victim.

Potential impact on your site

04Site Impact

Users visiting malicious links could have their sessions compromised or be tricked into performing unintended actions within ShiftController.

Conditions required to exploit

05Prerequisites

Attacker must trick a user into clicking a malicious link or visiting a crafted page (user interaction required). No authentication needed.

Key dates

06Disclosure timeline

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

Related vulnerabilities

08Related CVE

CVE-2026-65438 WordPress Message Filter for Contact Form 7 plugin <= 1.6.3.9 - Cross Site Scripting (XSS) vulnerability CVE-2026-65533 WordPress Smart SEO Tool plugin <= 4.1.2 - Cross Site Scripting (XSS) vulnerability CVE-2026-65510 WordPress PeproDev Ultimate Invoice plugin <= 2.2.6 - Cross Site Scripting (XSS) vulnerability CVE-2026-65511 WordPress Manual - Documentation, Knowledge Base & Education WordPress Theme theme <= 7.5.4 - Cross Site Scripting (XSS) vulnerability CVE-2026-15665 Fluent Support <= 2.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'redirect-to' Shortcode Attribute