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CVE-2022-39265

7.2 · HIGH

MyBB is a free and open source forum software.

Published Oct 6, 2022CWE-74EPSS 3.03%

Overview

CVE-2022-39265 is a high-severity vulnerability. It was published on October 6, 2022 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/mybb/mybb/blob/mybb_1830/install/resources/settings.xml#L2331-L2338GitHubgithub.com/mybb/mybb/commit/0cd318136a10b029bb5c8a8f6dddf39d87519797GitHubgithub.com/mybb/mybb/security/advisories/GHSA-hxhm-rq9f-7xj7Refmybb.com/versions/1.8.31/GitHubgithub.com/mybb/mybb/blob/mybb_1830/install/resources/settings.xml#L2331-L2338GitHubgithub.com/mybb/mybb/commit/0cd318136a10b029bb5c8a8f6dddf39d87519797GitHubgithub.com/mybb/mybb/security/advisories/GHSA-hxhm-rq9f-7xj7Refmybb.com/versions/1.8.31/

How CyberStrike helps

Frequently asked questions

What is CVE-2022-39265?

CVE-2022-39265 is a high-severity vulnerability. It was published on October 6, 2022 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2022-39265?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-39265?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-39265?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-39265 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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