CVE-2025-23523 HIGH

CVE-2025-23523: WordPress HSS Embed Streaming Video plugin <= 3.23 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Hoststreamsell
Product HSS Embed Streaming Video
Weakness CWE-79 · XSS
Published February 14, 2025
Last update April 28, 2026

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in hoststreamsell HSS Embed Streaming Video hss-embed-streaming-video allows Reflected XSS.This issue affects HSS Embed Streaming Video: from n/a through <= 3.23.

Explanation of Vulnerability in Simple Terms

02Summary

HSS Embed Streaming Video versions 3.23 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts. An attacker can craft a malicious link that, when clicked by a site visitor, executes JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or malware distribution. The vulnerability affects the scope beyond the vulnerable component.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in visitors' browsers to steal credentials or hijack sessions.

Potential impact on your site

04Site Impact

Visitors to your site could have their sessions hijacked or credentials stolen if they click attacker-controlled links.

Conditions required to exploit

05Prerequisites

Attacker must trick a site visitor into clicking a malicious link (user interaction required).

Key dates

06Disclosure timeline

February 14, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE