Cross Site Scripting Vulnerability in Mybb Forums by MyBB
CVE-2023-45556

5.4MEDIUM

Key Information:

Vendor

Mybb

Status
Mybb
Vendor
CVE Published:
6 November 2023

What is CVE-2023-45556?

A Cross Site Scripting vulnerability exists in Mybb Forums version 1.8.33, allowing a local attacker to execute arbitrary code. The vulnerability arises in the theme management component, specifically in the processing of the theme Name parameter. This flaw could be exploited to inject malicious scripts, potentially affecting the integrity and security of the affected forum. Users are advised to implement necessary security patches and validate input to mitigate the risks associated with this vulnerability.

References

https://github.com/Or4ngm4n/Mybb/blob/main/MyBB%201.8.33%...
https://raw.githubusercontent.com/Or4ngm4n/Mybb/main/Scre...
https://github.com/mybb/mybb/security/advisories/GHSA-4xq...

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.