CVE-2023-49190 MEDIUM

CVE-2023-49190: WordPress Site Offline Plugin <= 1.5.6 is vulnerable to Cross Site Scripting (XSS)

Vendor Chandra Shekhar Sahu
Product Site Offline Or Coming Soon Or Maintenance Mode
Weakness CWE-79 · XSS
Published December 15, 2023
Last update April 28, 2026

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Chandra Shekhar Sahu Site Offline Or Coming Soon Or Maintenance Mode allows Stored XSS.This issue affects Site Offline Or Coming Soon Or Maintenance Mode: from n/a through 1.5.6.

Explanation of Vulnerability in Simple Terms

02Summary

A stored cross-site scripting (XSS) vulnerability exists in Site Offline Or Coming Soon Or Maintenance Mode through version 1.5.6. An authenticated administrator with high privileges can inject malicious scripts that execute in the browsers of site visitors, potentially stealing session tokens or redirecting users. The vulnerability requires the admin to craft a malicious input and a user to view the affected page.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

Malicious admins can compromise visitor sessions, steal credentials, or redirect users to phishing sites.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin privileges and a visitor must view the page containing the injected script.

Key dates

06Disclosure timeline

December 15, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE