CVE-2026-57743 HIGH

CVE-2026-57743: WordPress RT-Theme 18 | Extensions plugin <= 2.5 - Local File Inclusion vulnerability

Vendor Stmcan
Product RT-Theme 18 | Extensions
Weakness CWE-98 · PHP file inclusion
Published July 13, 2026
Last update July 13, 2026
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in stmcan RT-Theme 18 | Extensions rt18-extensions allows PHP Local File Inclusion.This issue affects RT-Theme 18 | Extensions: from n/a through <= 2.5.

Explanation of Vulnerability in Simple Terms

02Summary

RT-Theme 18 Extensions versions 2.5 and earlier contain a vulnerability that allows an attacker to read sensitive data, modify site content, or disrupt service availability. The attack requires network access and high technical complexity but no authentication or user interaction. The vulnerability affects the core functionality of the theme extension.

What an attacker can do

03Attacker Capabilities

Read sensitive data, modify site content, or cause the site to become unavailable.

Potential impact on your site

04Site Impact

Attackers could steal data, deface your site, or take it offline without needing a user account.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication required, but attack complexity is high.

Key dates

06Disclosure timeline

July 13, 2026 CVE published
July 13, 2026 Record updated