CVE-2023-36503 MEDIUM

CVE-2023-36503: WordPress MaxButtons Plugin <= 9.5.3 is vulnerable to Cross Site Scripting (XSS)

Vendor Max Foundry

Product WordPress Button Plugin MaxButtons

Weakness CWE-79 · XSS

Published July 25, 2023

Last update April 28, 2026

View on NVD All CVEs

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

Auth. (contributor+) Cross-Site Scripting (XSS) vulnerability in Max Foundry WordPress Button Plugin MaxButtons plugin <= 9.5.3 versions.

Explanation of Vulnerability in Simple Terms

02Summary

MaxButtons versions up to 9.5.3 contain a stored cross-site scripting (XSS) vulnerability in button configuration. An authenticated user with low privileges can inject malicious scripts into button settings. When other users view or interact with the affected button, the script executes in their browser, potentially compromising their session or stealing data.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript into button settings that executes when other users view the button.

Potential impact on your site

04Site Impact

Authenticated attackers can steal admin sessions, deface content, or redirect visitors to malicious sites.

Conditions required to exploit

05Prerequisites

Attacker needs a WordPress account with low-level privileges and must trick a user into viewing the affected button.

Key dates

06Disclosure timeline

July 25, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-36503 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

Related vulnerabilities

Identifiers

CVE CVE-2023-36503

CWE CWE-79

CVSS 6.5 / MEDIUM

Affected versions