---
id: "CVE-2026-122666"
page: "https://infrastack.ai/live/CVE-2026-122666"
kind: "vulnerability"
aliases: ["CVE-2026-122666"]
title: "Mang Board WP: reflected XSS lets attackers run scripts in visitors' browsers"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["mang-board-wp", "package", "wordpress"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-11-09T11:17:23+00:00"
first_seen_at: "2026-11-09T11:26:03+00:00"
updated_at: "2026-11-09T11:26:36+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-122666", "first_seen_at": "2026-11-09T11:26:03+00:00"}]
exploit_sources: []
---

# Mang Board WP: reflected XSS lets attackers run scripts in visitors' browsers

Link for people: https://infrastack.ai/live/CVE-2026-122666 (this .md is for agents)

Mang Board WP, a WordPress bulletin board plugin by Kitae Park, fails to neutralize input in generated pages, enabling reflected cross-site scripting. An attacker can get a victim's browser to run script in the context of the affected site, such as stealing session data.

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

## How to check

- Check the installed Mang Board WP plugin version in the WordPress admin under Plugins, or in the plugin's `mangboard` directory header.
- Confirm whether the installed version is `2.4.7` or earlier.

## Fix

- Mang Board WP: versions after `2.4.7` (the sources state the affected range ends at `2.4.7`; the specific fixed version is unknown)

## Timeline

- 2026-11-09T11:26:03+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-122666

## From the sources

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kitae Park Mang Board WP mangboard allows Reflected XSS.This issue affects Mang Board WP: from n/a through 2.4.7.

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_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_