What’s Vulnerable › Vulnerabilities

CVE-2016-5727

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-09 · updated 2026-06-17
• Weakness: CWE-94

Description

LogInOut.php in Simple Machines Forum (SMF) 2.1 allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via vectors related to variables derived from user input in a foreach loop.

Affected products

• SimpleMachines Simple Machines Forum: 2.1

References

• http://www.openwall.com/lists/oss-security/2016/06/10/7
• http://www.openwall.com/lists/oss-security/2016/06/18/1
• https://github.com/SimpleMachines/SMF2.1/commit/19e560b9f3e8fc6d7d9d60c1ff617b5ed5c08008#diff-513c4f9c501cbefcc14420c01848f23c
• https://github.com/SimpleMachines/SMF2.1/issues/3522
• http://www.openwall.com/lists/oss-security/2016/06/10/7
• http://www.openwall.com/lists/oss-security/2016/06/18/1
• https://github.com/SimpleMachines/SMF2.1/commit/19e560b9f3e8fc6d7d9d60c1ff617b5ed5c08008#diff-513c4f9c501cbefcc14420c01848f23c
• https://github.com/SimpleMachines/SMF2.1/issues/3522

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