---
id: "CVE-2026-110896"
kind: "vulnerability"
aliases: ["CVE-2026-110896"]
title: "WordPress Passster plugin: missing authorization lets visitors bypass content protection"
severity: "medium"
cvss: 5.3
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["package", "passster", "self-hosted", "wordpress"]
not_affected_if: ["patched-version", "plugin-not-installed"]
published_at: "2026-10-16T13:16:55+00:00"
first_seen_at: "2026-10-23T21:57:13+00:00"
updated_at: "2026-10-25T04:27:20+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110896", "first_seen_at": "2026-10-23T21:57:13+00:00"}]
---

# WordPress Passster plugin: missing authorization lets visitors bypass content protection

The Passster WordPress plugin, which password-protects content, has a missing authorization check that allows access control to be exploited when it is incorrectly configured. An attacker could read content that the site owner meant to keep behind a password.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed Passster version in the WordPress admin plugin list or in `wp-content/plugins/passster/` header
- Confirm whether protected content is still reachable without a password while logged out

## Fix

- Update Passster to a version newer than `4.3.18`
- unknown: the sources do not name the first fixed version

## Timeline

- 2026-10-23T21:57:13+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-110896

## From the sources

Missing Authorization vulnerability in WP Chill Passster content-protector allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Passster: from n/a through 4.3.18.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_
