CVE-2023-27621 MEDIUM

CVE-2023-27621: WordPress Livestream Notice Plugin <= 1.2.0 is vulnerable to Cross Site Scripting (XSS)

Vendor Mrdemonwolf
Product Livestream Notice
Weakness CWE-79 · XSS
Published August 30, 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. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in MrDemonWolf Livestream Notice plugin <= 1.2.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Livestream Notice versions up to 1.2.0 contain a cross-site scripting (XSS) vulnerability that allows authenticated administrators to inject malicious scripts. An attacker with high-level privileges can craft a malicious link or page that, when visited by a site administrator, executes arbitrary JavaScript in their browser. This could lead to unauthorized actions or data theft within the admin context.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in an administrator's browser session.

Potential impact on your site

04Site Impact

An admin account could be compromised or manipulated to perform unintended actions if tricked into visiting a malicious page.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin privileges and trick an admin into visiting a crafted link or page.

Key dates

06Disclosure timeline

August 30, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-15730 GamiPress <= 7.9.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'heading_size' Shortcode Attribute CVE-2026-15648 Brands for WooCommerce <= 3.8.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'width' Shortcode Attribute CVE-2026-7623 SureForms <= 2.8.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'headingWrapper' Block Attribute CVE-2026-65440 WordPress GetGenie plugin <= 4.4.3 - Cross Site Scripting (XSS) vulnerability CVE-2026-17162 WowStore <= 4.4.24 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'currentPostId' Block Attribute