PT-2021-20160 · Mybb · Mybb Delete Account Plugin

Published 2021-02-01 · Updated 2021-02-05 · CVE-2021-3350

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions MyBB Delete Account plugin version 1.4

Description The issue allows for XSS via the deletereason parameter in the deleteaccount.php file.

Recommendations For MyBB Delete Account plugin version 1.4, avoid using the deletereason parameter in the deleteaccount.php file until the issue is resolved. As a temporary workaround, consider restricting access to the deleteaccount.php file to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-3350

Affected Products

Mybb Delete Account Plugin

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-3350 · Security Note
• https://osv.dev/vulnerability/CVE-2021-3350 · Vendor Advisory
• https://t.me/cvenotify/9211 · Telegram Post
• ❌ https://github.com/vintagedaddyo/MyBB_Plugin-Delete_Account/pull/1 · Note, Deleted