CVE-2023-28790 MEDIUM

CVE-2023-28790: WordPress Simple Staff List Plugin <= 2.2.3 is vulnerable to Cross Site Scripting (XSS)

Vendor Brett Shumaker

Product Simple Staff List

Weakness CWE-79 · XSS

Published September 27, 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. (editor+) Stored Cross-Site Scripting (XSS) vulnerability in Brett Shumaker Simple Staff List plugin <= 2.2.3 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Simple Staff List versions up to 2.2.3 contain a stored cross-site scripting (XSS) vulnerability. An authenticated administrator can inject malicious scripts into staff list data that execute in the browsers of other users viewing the list. The vulnerability requires an admin to intentionally craft the payload and a victim to view the affected page.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they view the staff list.

Potential impact on your site

04Site Impact

A compromised admin account can inject scripts to steal session tokens, redirect users, or deface the staff list display.

Conditions required to exploit

05Prerequisites

Attacker must have administrator privileges and the victim must visit a page displaying the staff list.

Key dates

06Disclosure timeline

September 27, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-28790 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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