CVE-2026-27986 HIGH

CVE-2026-27986: WordPress OsTende theme <= 1.4.3 - Local File Inclusion vulnerability

Vendor Themerex
Product OsTende
Weakness CWE-98 · PHP file inclusion
Published March 5, 2026
Last update April 28, 2026

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 ThemeREX OsTende ostende allows PHP Local File Inclusion.This issue affects OsTende: from n/a through <= 1.4.3.

Explanation of Vulnerability in Simple Terms

02Summary

OsTende versions 1.4.3 and earlier contain a vulnerability that allows an attacker to read sensitive data, modify site content, or disrupt service availability. The vulnerability requires network access and high attack complexity but no authentication. The exact attack mechanism is unclear due to incomplete CWE classification.

What an attacker can do

03Attacker Capabilities

Read sensitive data, modify site content, or disrupt service availability without authentication.

Potential impact on your site

04Site Impact

Attackers could access private information, alter pages, or take the site offline without needing a user account.

Conditions required to exploit

05Prerequisites

Network access and specific technical conditions; no login required.

Key dates

06Disclosure timeline

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

Related vulnerabilities

08Related CVE