CVE-2026-57333 HIGH

CVE-2026-57333: WordPress Link Whisper Free plugin <= 0.9.4 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Spencer Haws
Product Link Whisper Free
Weakness CWE-79 · XSS
Published June 29, 2026
Last update June 29, 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

Unauthenticated Cross Site Scripting (XSS) in Link Whisper Free <= 0.9.4 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Link Whisper Free versions up to 0.9.4 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. An attacker can craft a malicious link that, when visited by a site administrator or user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a user's browser when they visit a crafted link.

Potential impact on your site

04Site Impact

Administrators or users visiting malicious links could have their sessions hijacked or credentials stolen.

Conditions required to exploit

05Prerequisites

The victim must click a malicious link or visit an attacker-controlled page; no authentication required.

Key dates

06Disclosure timeline

June 29, 2026 CVE published