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VULNERABILITIES

CVE-2020-19048 Details

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'.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/joelister/bug/issues/1 CVEExploitThird Party Advisory
https://github.com/joelister/bug/issues/1 [email protected]ExploitThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions
mybb mybb
1.8.20

CPE

  • cpe:2.3:a:mybb:mybb:1.8.20:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-19048
NVD Published Date:
Aug 31, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-19048 Details - Not Deferred