CVE-2022-39265CWE-74

Mail settings' command parameter injection in mybb

High · published October 6, 2022

CVSS v3.1
7.2
EPSS
3%
Percentile
87.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.03035 · 87.4th percentile
Weakness
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Published
2022-10-06T00:00Z
EPSS history
Timeline
  • 06 OCT 00:00Z
    Mail settings' command parameter injection in mybb
    cvelistv5