CVE-2020-19048 — MEDIUM (5.4)

Vulnerability 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'.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Mybb	Mybb	1.8.20

Related Weaknesses (CWE)

CWE-79

References

https://github.com/joelister/bug/issues/1ExploitThird Party Advisory
https://github.com/joelister/bug/issues/1ExploitThird Party Advisory

FAQ

What is CVE-2020-19048?

CVE-2020-19048 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 re...

How severe is CVE-2020-19048?

CVE-2020-19048 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-19048?

Check the references section above for vendor advisories and patch information. Affected products include: Mybb Mybb.