Vulnerability Database

387,969

Total vulnerabilities in the database

Vulnerabilities for products matching "simple_machines_forum"

Found 2 matching products. Filters apply to all results.

You can search for specific versions with /product/simple_machines_forum/1.2.3

simple_machines / simple_machines_forum

21 vulnerabilities found
Title Severity Exploit Date Affected versions
High April 21, 2009 4/21/09
<= 1.1.4
= 1.0.5
= 1.0.6
= 1.0.7
= 1.0.11
= 1.0.12
= 1.1-rc1
= 1.1-rc2
= 1.1-rc3
= 1.1.1
= 1.1.2
= 1.1.3
Medium April 7, 2009 4/7/09
= 1.0.5
= 1.0.6
= 1.0.7
= 1.0.11
= 1.0.12
= 1.1.1
= 1.1.2
= 1.1.3
= 1.1.4
= 1.1.5
= 1.1.6
= 1.1_rc1
= 1.1_rc2
= 1.1_rc3
Medium April 7, 2009 4/7/09
= 1.0.5
= 1.0.6
= 1.0.7
= 1.0.11
= 1.0.12
= 1.1.1
= 1.1.2
= 1.1.3
= 1.1.4
= 1.1.5
= 1.1.6
= 1.1_rc1
= 1.1_rc2
= 1.1_rc3
Medium April 7, 2009 4/7/09
= 1.0.5
= 1.0.6
= 1.0.7
= 1.0.11
= 1.0.12
= 1.1.1
= 1.1.2
= 1.1.3
= 1.1.4
= 1.1.5
= 1.1.6
= 1.1_rc1
= 1.1_rc2
= 1.1_rc3
High March 30, 2009 3/30/09
= 1.1.4
High July 8, 2008 7/8/08
<= 1.0.12
<= 1.1.4
High July 8, 2008 7/8/08
<= 1.0.12
<= 1.1.4
Medium November 14, 2007 11/14/07
= 1.1.4
Medium October 23, 2007 10/23/07
= 1.0.11
= 1.1.3
Medium July 21, 2007 7/21/07
= 1.1.3
High June 21, 2007 6/21/07
= 1.1.2
High June 21, 2007 6/21/07
= 1.1.2
Medium May 9, 2007 5/9/07
<= 1.1.2
High February 15, 2007 2/15/07
<= 1.0.7
<= 1.1_rc2
Medium January 22, 2007 1/22/07
= 1.1_rc3
Medium October 25, 2006 10/25/06
= 1.1_rc2
Medium October 25, 2006 10/25/06
= 1.0.5
= 1.0.6
= 1.0.7
= 1.1_rc1
= 1.1_rc2
= 1.1_rc3
High August 31, 2006 8/31/06
<= 1.0.7
<= 1.1_rc2
Medium February 25, 2006 2/25/06
= 1.0.6
High December 11, 2005 12/11/05
<= 1.1_rc1
Medium September 7, 2005 9/7/05
= 1.0.5

simplemachines / simple_machines_forum

22 vulnerabilities found
Title Severity Exploit Date Affected versions
High July 14, 2026 7/14/26
>= 2.1.0, < 2.1.7
High July 10, 2026 7/10/26
>= 2.1.0, <= 2.1.7
= 3.0.0
Medium December 18, 2025 12/18/25
= 2.1.6
Low March 21, 2025 3/21/25
= 2.1.4
Low March 21, 2025 3/21/25
= 2.1.4
Medium August 3, 2024 8/3/24
= 2.1.4
Medium August 3, 2024 8/3/24
= 2.1.4
High April 5, 2022 4/5/22
<= 2.1.1
Medium February 12, 2020 2/12/20
<= 2.0.5
Medium February 7, 2020 2/7/20
<= 2.0.3
Medium January 22, 2020 1/22/20
< 2.0.16
High January 15, 2020 1/15/20
<= 2.0.3
Medium March 7, 2019 3/7/19
= 2.0.4
Medium March 7, 2019 3/7/19
= 2.0.4
Medium March 7, 2019 3/7/19
= 2.0.4
High April 24, 2018 4/24/18
< 2.0.15
High February 9, 2017 2/9/17
= 2.1
Medium February 9, 2017 2/9/17
= 2.1
Medium April 29, 2014 4/29/14
<= 1.1.9
= 1.0
= 1.0-beta4
= 1.0-beta4.1
= 1.0-beta5
= 1.0-beta6
= 1.0-rc1
= 1.0-rc2
= 1.0.1
= 1.0.2
= 1.0.3
= 1.0.4
= 1.0.5
= 1.0.6
= 1.0.7
= 1.0.8
= 1.0.9
= 1.0.10
= 1.0.12
= 1.0.13
= 1.0.14
= 1.0.15
= 1.0.16
= 1.0.17
= 1.0.18
= 1.0.19
= 1.0.20
= 1.0.21
= 1.0.22
= 1.0.23
= 1.1
= 1.1-beta1
= 1.1-beta2
= 1.1-beta3
= 1.1-beta4
= 1.1-rc1
= 1.1-rc2
= 1.1-rc3
= 1.1.1
= 1.1.2
= 1.1.3
= 1.1.4
= 1.1.5
= 1.1.6
= 1.1.7
= 1.1.8
= 1.1.10
= 1.1.11
= 1.1.12
= 1.1.13
= 1.1.14
= 1.1.15
= 1.1.16
= 1.1.17
= 2.0-beta1
= 2.0-beta2
= 2.0-beta2.1
= 2.0-beta3
= 2.0-beta3.1
= 2.0-beta4
= 2.0-rc1
= 2.0-rc2
= 2.0-rc3
= 2.0-rc4
= 2.0-rc5
= 2.0.1
= 2.0.2
= 2.0.3
= 2.0.4
= 2.0.5
= 2.0.6
High April 29, 2014 4/29/14
<= 1.1.9
= 1.0
= 1.0-beta4
= 1.0-beta4.1
= 1.0-beta5
= 1.0-beta6
= 1.0-rc1
= 1.0-rc2
= 1.0.1
= 1.0.2
= 1.0.3
= 1.0.4
= 1.0.5
= 1.0.6
= 1.0.7
= 1.0.8
= 1.0.9
= 1.0.10
= 1.0.12
= 1.0.13
= 1.0.14
= 1.0.15
= 1.0.16
= 1.0.17
= 1.0.18
= 1.0.19
= 1.0.20
= 1.0.21
= 1.0.22
= 1.0.23
= 1.1
= 1.1-beta1
= 1.1-beta2
= 1.1-beta3
= 1.1-beta4
= 1.1-rc1
= 1.1-rc2
= 1.1-rc3
= 1.1.1
= 1.1.2
= 1.1.3
= 1.1.4
= 1.1.5
= 1.1.6
= 1.1.7
= 1.1.8
= 1.1.10
= 1.1.11
= 1.1.12
= 1.1.13
= 1.1.14
= 1.1.15
= 1.1.16
= 1.1.17
= 2.0-beta1
= 2.0-beta2
= 2.0-beta2.1
= 2.0-beta3
= 2.0-beta3.1
= 2.0-beta4
= 2.0-rc1
= 2.0-rc2
= 2.0-rc3
= 2.0-rc4
= 2.0-rc5
= 2.0.1
= 2.0.2
= 2.0.3
= 2.0.4
= 2.0.5
= 2.0.6
High April 29, 2014 4/29/14
<= 1.1.9
= 1.0
= 1.0-beta4
= 1.0-beta4.1
= 1.0-beta5
= 1.0-beta6
= 1.0-rc1
= 1.0-rc2
= 1.0.1
= 1.0.2
= 1.0.3
= 1.0.4
= 1.0.5
= 1.0.6
= 1.0.7
= 1.0.8
= 1.0.9
= 1.0.10
= 1.0.12
= 1.0.13
= 1.0.14
= 1.0.15
= 1.0.16
= 1.0.17
= 1.0.18
= 1.0.19
= 1.0.20
= 1.0.21
= 1.0.22
= 1.0.23
= 1.1
= 1.1-beta1
= 1.1-beta2
= 1.1-beta3
= 1.1-beta4
= 1.1-rc1
= 1.1-rc2
= 1.1-rc3
= 1.1.1
= 1.1.2
= 1.1.3
= 1.1.4
= 1.1.5
= 1.1.6
= 1.1.7
= 1.1.8
= 1.1.10
= 1.1.11
= 1.1.12
= 1.1.13
= 1.1.14
= 1.1.15
= 1.1.16
= 1.1.17
= 2.0.6
Medium October 25, 2013 10/25/13
<= 2.0.5
= 1.0
= 1.0.1
= 1.0.2
= 1.0.3
= 1.0.4
= 1.0.5
= 1.0.6
= 1.0.7
= 1.0.8
= 1.0.9
= 1.0.10
= 1.0.12
= 1.0.13
= 1.0.14
= 1.0.15
= 1.0.16
= 1.0.17
= 1.0.18
= 1.0.19
= 1.0.20
= 1.0.21
= 1.0.22
= 1.0.23
= 1.1
= 1.1.1
= 1.1.2
= 1.1.3
= 1.1.4
= 1.1.5
= 1.1.6
= 1.1.7
= 1.1.8
= 1.1.9
= 1.1.10
= 1.1.11
= 1.1.12
= 1.1.13
= 1.1.14
= 1.1.15
= 1.1.16
= 1.1.17
= 2.0
= 2.0.1
= 2.0.2
= 2.0.3
= 2.0.4
= 2.1

Showing vulnerabilities for 2 products matching "simple_machines_forum". Each product has independent pagination.

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.