Cross-Site Scripting Vulnerability in MyBB by MyBB Group
CVE-2022-43708

6.1MEDIUM

Key Information:

Vendor

Mybb

Status
Mybb
Vendor
CVE Published:
22 November 2022

What is CVE-2022-43708?

MyBB version 1.8.31 is susceptible to a cross-site scripting (XSS) vulnerability found in the post Attachments interface. This flaw allows attackers to manipulate file names, potentially persuading users into uploading files that contain malicious HTML code. The successful execution of this attack could lead to unauthorized actions performed in the context of a user’s session, making it imperative for users to be aware of the risks and apply necessary security measures.

References

https://mybb.com
https://github.com/mybb/mybb/security/advisories/GHSA-p9m...

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.