CVE-2016-5727

high
Published 2017-02-09 · Modified 2026-05-13
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2
6.8
VIR risk
8.8

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.

Predictions

Exploit likelihood
92%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/SimpleMachines/SMF2.1/issues/3522

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/SimpleMachines/SMF2.1/commit/19e560b9f3e8fc6d7d9d60c1ff617b5ed5c08008#diff-513c4f9c501cbefcc14420c01848f23c

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.openwall.com/lists/oss-security/2016/06/18/1

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.openwall.com/lists/oss-security/2016/06/10/7

Application impact

VendorProductVersionsFixed
simplemachinessimple_machines_forum2.1

References

CWEs

CWE-94

Verify integrity in audit chain (admin only). AS-IS.