What the vulnerability does
01Description
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in PublishPress Gutenberg Blocks advanced-gutenberg allows PHP Local File Inclusion.This issue affects Gutenberg Blocks: from n/a through <= 3.3.1.
Explanation of Vulnerability in Simple Terms
02Summary
PublishPress Gutenberg Blocks versions 3.3.1 and earlier contain a vulnerability that allows an attacker to read sensitive data, modify site content, or disrupt service. The attack requires the victim to visit a malicious link or page. No authentication is needed to initiate the exploit, but user interaction is required for the attack to succeed.
What an attacker can do
03Attacker Capabilities
Read sensitive data, modify site content, or disrupt service by tricking a user into visiting a malicious link.
Potential impact on your site
04Site Impact
Site content and data confidentiality at risk if users are socially engineered to click malicious links.
Conditions required to exploit
05Prerequisites
Victim must click a malicious link or visit an attacker-controlled page; no login required.
Key dates
06Disclosure timeline
August 14, 2025
CVE published
May 12, 2026
Record updated