CVE-2021-47905

MyBB Delete Account Plugin 1.4 - Cross-Site Scripting

Published Jan 23, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mybb
Mybb delete Account
CPEs cpe:2.3:a:mybb:delete_account:1.4:*:*:*:*:mybb:*:*
Vendors & Products Mybb
Mybb delete Account
Type Values Removed Values Added
First Time appeared Vintagedaddyo
Vintagedaddyo mybb Delete Account Plugin
Vendors & Products Vintagedaddyo
Vintagedaddyo mybb Delete Account Plugin
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title MyBB Delete Account Plugin 1.4 - Cross-Site Scripting
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jan 23, 2026, 9:47 PM
Reserved
Jan 18, 2026, 12:35 PM
Status
Analyzed
Published
Jan 23, 2026, 5:16 PM
Modified
Jun 17, 2026, 4:18 AM