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Vulnerability record · CVE-2022-26982 · published 5 April 2022

CVE-2022-26982: Simplemachines simple machines forum code injection vulnerability

Simplemachines · Simple Machines Forum

SimpleMachinesForum 2.1.1 and earlier allows remote authenticated administrators to execute arbitrary code by inserting a vulnerable php code because the themes can be modified by an administrator. NOTE: the vendor's position is that administrators are intended to have the ability to modify themes, and can thus choose any PHP code that they wish to have executed on the server.

7.2 CVSS 3.1 High EPSS 9.2% · top 4.8% CWE-94 · Code injection
7.2CVSS 3.1 base score, v2 6.5
9.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

SimpleMachinesForum 2.1.1 and earlier allows remote authenticated administrators to execute arbitrary code by inserting a vulnerable php code because the themes can be modified by an administrator. NOTE: the vendor's position is that administrators are intended to have the ability to modify themes, and can thus choose any PHP code that they wish to have executed on the server.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-10305Simplemachines simple machines forum vulnerabilityThe MessageSearch2 function in PersonalMessage.php in Simple Machines Forum (SMF) before 2.0.15 does not properly use the possible_users variable in …EPSS 1.2%9.8CVE-2016-5726Simplemachines simple machines forum code injection vulnerabilityPackages.php in Simple Machines Forum (SMF) 2.1 allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via th…EPSS 1.6%8.8CVE-2013-7466Simplemachines simple machines forum path traversal vulnerabilitySimple Machines Forum (SMF) 2.0.4 allows local file inclusion, with resultant remote code execution, in install.php via ../ directory traversal in th…EPSS 4.0%8.8CVE-2016-5727Simplemachines simple machines forum code injection vulnerabilityLogInOut.php in Simple Machines Forum (SMF) 2.1 allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via ve…EPSS 1.5%8.1CVE-2013-7468Simplemachines simple machines forum code injection vulnerabilitySimple Machines Forum (SMF) 2.0.4 allows PHP Code Injection via the index.php?action=admin;area=languages;sa=editlang dictionary parameter.EPSS 1.7%7.5CVE-2013-7235Simplemachines simple machines forum improper input validation vulnerabilitySimple Machines Forum (SMF) before 1.1.19 and 2.x before 2.0.6 allows remote attackers to impersonate arbitrary users via multiple space characters c…EPSS 1.5%7.5CVE-2013-7236Simplemachines simple machines forum improper input validation vulnerabilitySimple Machines Forum (SMF) 2.0.6, 1.1.19, and earlier allows remote attackers to impersonate arbitrary users via a Unicode homoglyph character in a …EPSS 1.5%7.2CVE-2009-5068Simplemachines simple machines forum cleartext storage of sensitive data vulnerabilityThere is a file disclosure vulnerability in SMF (Simple Machines Forum) affecting versions through v2.0.3. On some configurations a SMF deployment is…EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2022-26982), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.