Vulnerability Description
MyBB is a free and open source forum software. The _Mail Settings_ → Additional Parameters for PHP's mail() function mail_parameters setting value, in connection with the configured mail program's options and behavior, may allow access to sensitive information and Remote Code Execution (RCE). The vulnerable module requires Admin CP access with the `_Can manage settings?_` permission and may depend on configured file permissions. MyBB 1.8.31 resolves this issue with the commit `0cd318136a`. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mybb | Mybb | < 1.8.31 |
Related Weaknesses (CWE)
References
- https://github.com/mybb/mybb/blob/mybb_1830/install/resources/settings.xml#L2331ExploitThird Party Advisory
- https://github.com/mybb/mybb/commit/0cd318136a10b029bb5c8a8f6dddf39d87519797PatchThird Party Advisory
- https://github.com/mybb/mybb/security/advisories/GHSA-hxhm-rq9f-7xj7Third Party Advisory
- https://mybb.com/versions/1.8.31/Release NotesVendor Advisory
- https://github.com/mybb/mybb/blob/mybb_1830/install/resources/settings.xml#L2331ExploitThird Party Advisory
- https://github.com/mybb/mybb/commit/0cd318136a10b029bb5c8a8f6dddf39d87519797PatchThird Party Advisory
- https://github.com/mybb/mybb/security/advisories/GHSA-hxhm-rq9f-7xj7Third Party Advisory
- https://mybb.com/versions/1.8.31/Release NotesVendor Advisory
FAQ
What is CVE-2022-39265?
CVE-2022-39265 is a vulnerability with a CVSS score of 7.2 (HIGH). MyBB is a free and open source forum software. The _Mail Settings_ → Additional Parameters for PHP's mail() function mail_parameters setting value, in connection with the configured mail program's opt...
How severe is CVE-2022-39265?
CVE-2022-39265 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-39265?
Check the references section above for vendor advisories and patch information. Affected products include: Mybb Mybb.