Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mybb | Mybb | 1.8.32 |
Related Weaknesses (CWE)
References
- https://fdlucifer.github.io/2023/01/17/mybb1-8-32-LFI-RCE/ExploitThird Party Advisory
- https://mybb.com/Product
- https://www.exploit-db.com/exploits/51213Exploit
- https://www.vulncheck.com/advisories/mybb-authenticated-remote-code-execution-viExploitThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2022-45867
FAQ
What is CVE-2023-53979?
CVE-2023-53979 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...
How severe is CVE-2023-53979?
CVE-2023-53979 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-53979?
Check the references section above for vendor advisories and patch information. Affected products include: Mybb Mybb.