CVE-2026-104761

Received Received - Intake

Stored XSS in Mang Board WordPress Plugin

Publication date: 2026-10-14

Last updated on: 2026-10-14

Assigner: Wordfence

Description

The Mang Board plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'content' parameter in all versions up to, and including, 2.4.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with custom-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-14

Last Modified

2026-10-14

Generated

2026-10-19

AI Q&A

2026-10-15

EPSS Evaluated

2026-10-18

NVD

CVE-2026-104761

EUVD

EUVD-2026-100905

Affected Vendors & Products

Vendor	Product	Version / Range
kitae-park	Mang	Board 0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

The Mang Board WordPress plugin has a stored cross-site scripting (XSS) vulnerability in versions up to 2.4.3. This flaw allows authenticated attackers with custom-level access or higher to inject malicious scripts via the 'content' parameter. The scripts execute when users view an affected page due to insufficient input sanitization and output escaping.

Detection Guidance

Check WordPress admin logs for unauthorized script injections in the 'content' parameter of Mang Board pages. Inspect page source for malicious scripts in stored posts. Use Wordfence or similar security plugins to scan for XSS vulnerabilities in the plugin.

Impact Analysis

This vulnerability allows attackers to steal user sessions, deface websites, or redirect users to malicious sites. It requires authentication but can affect all visitors to compromised pages. The impact includes potential data theft, unauthorized actions, and reputational damage.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR or HIPAA by enabling unauthorized access to user data or session hijacking. Stored XSS may result in data breaches, violating confidentiality requirements. Organizations using the plugin must address this to maintain regulatory compliance.

Mitigation Strategies

Update Mang Board to the latest version (2.4.4 or higher) to patch the vulnerability. If immediate update is not possible, disable the plugin until patched. Review user roles with custom-level access and above for unauthorized changes.

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