CVE-2026-22440 HIGH

CVE-2026-22440: WordPress Thecs theme <= 1.4.7 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Foreverpinetree
Product Thecs
Weakness CWE-79 · XSS
Published March 5, 2026
Last update April 28, 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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in foreverpinetree Thecs thecs allows Reflected XSS.This issue affects Thecs: from n/a through <= 1.4.7.

Explanation of Vulnerability in Simple Terms

02Summary

Thecs versions 1.4.7 and earlier 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, the injected code runs in the victim's browser with their privileges, potentially affecting other users or the site itself depending on the victim's role.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in victims' browsers when they visit a crafted page.

Potential impact on your site

04Site Impact

Attackers can steal session cookies, redirect users, deface pages, or harvest credentials from site visitors.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

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