LogInOut.php in Simple Machines Forum (SMF) 2.1 allows remote attackers to conduct PHP…
Priority MEDIUM 41CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-94.
Summary
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.
Why it matters now
EPSS 0.01527 74th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:simplemachines:simple_machines_forum:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | SimpleMachines |
- cpe:2.3:a:simplemachines:simple_machines_forum:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·SimpleMachines
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-5727
- 2026-10-03 Alias added: GHSA-985f-qc8v-q2p6
References
Patch 4
- https://github.com/SimpleMachines/SMF2.1/issues/3522
- https://github.com/SimpleMachines/SMF2.1/commit/19e560b9f3e8fc6d7d9d60c1ff617b5ed5c08008#diff-513c4f9c501cbefcc14420c01848f23c
- [oss-security] 20160618 Re: Simple Machines Forums - PHP Object Injection
- [oss-security] 20160610 Simple Machines Forums - PHP Object Injection
More SimpleMachines Simple Machines Forum vulnerabilities
- TI-2025-41147 A stored cross-site scripting (XSS) vulnerability in Simple Machines Forum v2.1.6 allows… CVSS 3.1MEDIUM 6.1
- TI-2024-06892 SimpleMachines SMF User Alert Read Status index.php resource injection CVSS 4.0MEDIUM 5.3
- TI-2024-06891 SimpleMachines SMF Delete User index.php resource injection CVSS 4.0MEDIUM 5.3
- TI-2025-02251 SimpleMachines SMF ManageNews.php cross site scripting CVSS 4.0MEDIUM 5.1
- TI-2025-02250 SimpleMachines SMF ManageAttachments.php cross site scripting CVSS 4.0MEDIUM 5.1
- TI-2016-04970 Packages.php in Simple Machines Forum (SMF) 2.1 allows remote attackers to conduct PHP… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2016-5727 · CVE Program
- CVE-2016-5727 · NVD
- FIRST EPSS
- GHSA-985f-qc8v-q2p6 · GitHub Advisory Database · CC BY 4.0
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