CVE-2026-28108 HIGH

CVE-2026-28108: WordPress LambertGroup - AllInOne - Banner with Thumbnails plugin <= 3.8 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Lambertgroup
Product LambertGroup - AllInOne - Banner with Thumbnails
Weakness CWE-79 · XSS
Published March 5, 2026
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 LambertGroup LambertGroup - AllInOne - Banner with Thumbnails all-in-one-thumbnailsBanner allows Reflected XSS.This issue affects LambertGroup - AllInOne - Banner with Thumbnails: from n/a through <= 3.8.

Explanation of Vulnerability in Simple Terms

02Summary

The AllInOne Banner with Thumbnails component contains a cross-site scripting (XSS) vulnerability in versions 3.8 and earlier. An attacker can inject malicious scripts that execute in visitors' browsers when they view affected pages. The vulnerability requires user interaction—typically clicking a malicious link—and can affect other users on the site. Update to a version newer than 3.8 to resolve this issue.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in visitors' browsers, stealing session cookies or redirecting users to phishing sites.

Potential impact on your site

04Site Impact

Visitors' browsers can be compromised; session tokens and credentials may be stolen; site reputation damaged.

Conditions required to exploit

05Prerequisites

Visitor must click a malicious link or visit a page containing the injected payload; no authentication required.

Key dates

06Disclosure timeline

March 5, 2026 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE