Description

Cross Site Scripting (XSS) in MyBB v1.8.20 allows remote attackers to inject arbitrary web script or HTML via the "Title" field found in the "Add New Forum" page by doing an authenticated POST HTTP request to '/Upload/admin/index.php?module=forum-management&action=add'.

Remediation

References

CVE-2020-19048

Related Vulnerabilities

silverstripeCMS Permissions, Privileges, and Access Controls Vulnerability (CVE-2011-4961)

ZenCart Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2009-2254)

IBM RTC Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2016-2986)

Oracle HTTP Server Integer Overflow or Wraparound Vulnerability (CVE-2022-22721)

Jenkins Missing Authorization Vulnerability (CVE-2025-67636)

Severity

Medium

Classification

CVE-2020-19048 CWE-707 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities