CVE-2025-23553: David Cramer Userbase Access Control

High severity, CVSS 7.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in David Cramer Userbase Access Control userbase-access-control allows Reflected XSS.This issue affects Userbase Access Control: from n/a through <= 1.0.

Affected products

• David Cramer Userbase Access Control: up to and including 1.0

Published 2025-03-03. Last modified 2026-06-17.