CVE-2021-47905: MyBB Delete Account Plugin 1.4 - Cross-Site Scripting

Published Jan 23, 2026
·
Updated

MyBB Delete Account Plugin 1.4 contains a cross-site scripting vulnerability in the account deletion reason input field. Attackers can inject malicious scripts that will execute in the admin interface when viewing delete account reasons.

Affected Software

2 affected components
mybb/DeleteAccountPlugin
MyBB Delete Account Mybb=1.4

Event History

Jan 23, 2026
CVE Published
via MITRE·04:47 PM
Data Sourced
via MITRE·04:47 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-47905?

CVE-2021-47905 is categorized as a moderate severity cross-site scripting vulnerability.

2

How do I fix CVE-2021-47905?

To fix CVE-2021-47905, you should update the MyBB Delete Account Plugin to its latest version where the vulnerability is patched.

3

What type of vulnerability is CVE-2021-47905?

CVE-2021-47905 is a cross-site scripting (XSS) vulnerability found in the MyBB Delete Account Plugin.

4

Who is affected by CVE-2021-47905?

Any MyBB installation using the Delete Account Plugin version 1.4 is potentially affected by CVE-2021-47905.

5

What can attackers do with CVE-2021-47905?

Attackers exploiting CVE-2021-47905 can inject malicious scripts into the admin interface, compromising the security of the application.

Contact

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