What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Blockspare Blockspare blockspare allows Stored XSS.This issue affects Blockspare: from n/a through <= 3.2.9.
Explanation of Vulnerability in Simple Terms
02Summary
Blockspare versions up to 3.2.9 contain a cross-site scripting (XSS) vulnerability that allows an authenticated attacker to inject malicious scripts. The vulnerability requires user interaction and affects the scope beyond the vulnerable component. An attacker with low-level privileges can inject code that executes in other users' browsers, potentially compromising their sessions or data.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that execute in other users' browsers when they interact with affected pages.
Potential impact on your site
04Site Impact
Authenticated users' sessions and data can be compromised if they interact with attacker-controlled content.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege account and trick a user into clicking a malicious link or visiting a crafted page.
Key dates
06Disclosure timeline
May 7, 2025
CVE published
April 28, 2026
Record updated