What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-23 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• vintagedaddyo MyBB Delete Account Plugin: 1.4

References

• https://github.com/vintagedaddyo/MyBB_Plugin-Delete_Account/
• https://www.exploit-db.com/exploits/49500
• https://www.vulncheck.com/advisories/mybb-delete-account-plugin-cross-site-scripting
• https://www.exploit-db.com/exploits/49500

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