HIGH

CVE-2022-39265

CVSS v3

7.2

HIGH

EPSS Score

3.0 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

mybbBitnamiall versions · fixed in 1.8.31

Full record on NVD

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.

Technical details

Published: 2022-10-06

Frequently asked questions

What is CVE-2022-39265?

Is CVE-2022-39265 actively exploited?

Active exploitation of CVE-2022-39265 has not been confirmed. Its EPSS score was 3.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-39265?

CVE-2022-39265 has a CVSS v3 base score of 7.2 (HIGH severity).

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