CVE-2026-73343 CRITICAL

CVE-2026-73343: WordPress WP Compress plugin < 7.20.01 - Remote Code Execution (RCE) vulnerability

Vendor Aresit
Product WP Compress
Weakness CWE-94 · Code injection
Published August 18, 2026
Last update August 18, 2026

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Remote Code Execution (RCE) in WP Compress < 7.20.01 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WP Compress versions before 7.20.01 contain a code injection vulnerability that allows unauthenticated attackers to run arbitrary PHP code on affected sites over the network. No user interaction or special configuration is required. The vulnerability affects the entire site and can lead to complete compromise including data theft, site modification, and service disruption.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site without authentication.

Potential impact on your site

04Site Impact

Complete site compromise: attackers can steal data, modify content, install malware, or take the site offline.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 18, 2026 CVE published
August 18, 2026 Record updated

Related vulnerabilities

08Related CVE