Description

MyBB 1.8.32 contains a chained vulnerability that allows authenticated administrators to bypass avatar upload restrictions and execute arbitrary code. Attackers can modify upload path settings, upload a malicious PHP-embedded image file, and execute commands through the language configuration editing interface.

INFO

Published Date :

2025-12-22T21:35:35.951Z

Last Modified :

2025-12-22T22:04:08.541Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2023-53979 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2023-53979.

URL Resource
https://fdlucifer.github.io/2023/01/17/mybb1-8-32-LFI-RCE/ cve-icon cve-icon
https://mybb.com/ cve-icon cve-icon
https://www.exploit-db.com/exploits/51213 cve-icon cve-icon
https://www.vulncheck.com/advisories/mybb-authenticated-remote-code-execution-via-chained-vulnerabilities cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact