Medium 6.1Published Jan 23, 2026

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

Updated under an hour ago (Oct 28, 2026, 1:00 PM ET)

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It affects vintagedaddyo MyBB Delete Account Plugin and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for vintagedaddyo MyBB Delete Account Plugin

Exploited in the last 30 days

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.

CVSS: 6.1 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Jan 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

vintagedaddyo MyBB Delete Account Plugin vintagedaddyo:mybb_delete_account_plugin (from the name)	1.4	CNA record
mybb delete_account mybb:delete_account	1.4	NVD

References

References

https://www.exploit-db.com/exploits/49500	exploit, vdb-entry
https://github.com/vintagedaddyo/MyBB_Plugin-Delete_Account/	product
https://www.vulncheck.com/advisories/mybb-delete-account-plugin-cross-site-scripting	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.