CVE-2025-47479 MEDIUM

CVE-2025-47479: WordPress WP Compress plugin <= 6.30.30 - Broken Authentication Vulnerability

Vendor Aresit
Product WP Compress
Weakness CWE-1390
Published July 4, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Weak Authentication vulnerability in AresIT WP Compress wp-compress-image-optimizer allows Authentication Abuse.This issue affects WP Compress: from n/a through <= 6.30.30.

Explanation of Vulnerability in Simple Terms

02Summary

WP Compress versions 6.30.30 and earlier contain an integrity vulnerability that allows unauthenticated attackers to modify data over the network. The vulnerability requires no user interaction and can be exploited remotely. Site administrators should update to a version newer than 6.30.30 to mitigate this issue.

What an attacker can do

03Attacker Capabilities

Modify data on the site without authentication.

Potential impact on your site

04Site Impact

Site data could be altered by remote attackers without warning or authentication.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

July 4, 2025 CVE published
April 28, 2026 Record updated