CVE-2023-39926 HIGH

CVE-2023-39926: WordPress Under Construction / Maintenance Mode from Acurax Plugin <= 2.6 is vulnerable to Cross Site Scripting (XSS)

Vendor Acurax

Product Under Construction / Maintenance Mode from Acurax

Weakness CWE-79 · XSS

Published November 16, 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

Unauth. Stored Cross-Site Scripting (XSS) vulnerability in Acurax Under Construction / Maintenance Mode from Acurax plugin <= 2.6 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The Under Construction / Maintenance Mode plugin for WordPress contains a cross-site scripting (XSS) vulnerability in versions up to 2.6. An attacker can inject malicious scripts that execute in visitors' browsers when they view the maintenance page. The vulnerability requires user interaction and can affect multiple users across the site.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in visitors' browsers when they view the maintenance page.

Potential impact on your site

04Site Impact

Attackers can steal visitor cookies, redirect users, or deface the maintenance page seen by your site visitors.

Conditions required to exploit

05Prerequisites

No authentication required. Visitor must view the affected maintenance page.

Key dates

06Disclosure timeline

November 16, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-39926 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-2023-39926

CWE CWE-79

CVSS 7.1 / HIGH

Affected versions