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CVE CVE-2023-53979

CVE-2023-53979

PHP

Severity: HIGH
CVSS: 8.8CVSS
Published: 2025-12-22
Last modified: 2025-12-27
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-22

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.

References

https://fdlucifer.github.io/2023/01/17/mybb1-8-32-LFI-RCE/
https://mybb.com/
https://www.exploit-db.com/exploits/51213
https://www.vulncheck.com/advisories/mybb-authenticated-remote-code-execution-via-chained-vulnerabilities
https://www.cve.org/CVERecord?id=CVE-2022-45867

Summary

Description

References