CVE-2026-22455 HIGH

CVE-2026-22455: WordPress Thebe theme <= 1.3.0 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Foreverpinetree
Product Thebe
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 foreverpinetree Thebe thebe allows Reflected XSS.This issue affects Thebe: from n/a through <= 1.3.0.

Explanation of Vulnerability in Simple Terms

02Summary

Thebe versions up to 1.3.0 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. The vulnerability requires user interaction—victims must visit a crafted link or page. When exploited, attackers can steal session data, redirect users, or perform actions on their behalf. The impact extends beyond the vulnerable component to affect other parts of the application.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in users' browsers to steal data or perform unauthorized actions.

Potential impact on your site

04Site Impact

Users visiting crafted links could have their sessions compromised or be redirected to malicious sites.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

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