Priority MEDIUM 60
A stored cross-site scripting (XSS) vulnerability in Simple Machines Forum v2.1.6 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Forum Name parameter.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.00251 · Published 2025-12-18 · No fix listed CWE-20
Priority MEDIUM 57
A vulnerability has been found in SimpleMachines SMF 2.1.4 and classified as problematic.
CVSS 4.0MEDIUM 5.3· Network · Low privileges · No interaction · EPSS 0.00484 · Published 2024-08-03 · No fix listed CWE-99
Priority MEDIUM 57
A vulnerability, which was classified as critical, was found in SimpleMachines SMF 2.1.4.
CVSS 4.0MEDIUM 5.3· Network · Low privileges · No interaction · EPSS 0.00442 · Published 2024-08-03 · No fix listed CWE-99
Priority MEDIUM 56
A vulnerability was found in SimpleMachines SMF 2.1.4.
CVSS 4.0MEDIUM 5.1· Network · Low privileges · User interaction · EPSS 0.00422 · Published 2025-03-21 · No fix listed CWE-79
Priority MEDIUM 56
A vulnerability was found in SimpleMachines SMF 2.1.4 and classified as problematic.
CVSS 4.0MEDIUM 5.1· Network · Low privileges · User interaction · EPSS 0.00406 · Published 2025-03-21 · No fix listed CWE-79
Priority MEDIUM 47
SSI.php in Simple Machines Forum (SMF) before 1.1.13, and 2.x before 2.0 RC5, does not properly restrict guest access, which allows remote attackers to have an unspecified impact via unknown vectors.
CVSS 2.0HIGH 10.0· Network · No auth · Interaction — · EPSS 0.02211 · Published 2011-06-21 · No fix listed CWE-264
Priority MEDIUM 46
Simple Machine Forum (SMF) versions 1.0.4 and earlier have an SQL injection vulnerability that allows remote attackers to inject arbitrary SQL statements.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01742 · Published 2020-01-15 · No fix listed CWE-89
Priority MEDIUM 45
An issue was discovered in Simple Machines Forum (SMF) before release 2.0.17.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.0147 · Published 2020-03-20 · No fix listed CWE-918
Priority MEDIUM 45
Packages.php in Simple Machines Forum (SMF) 2.1 allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the themechanges array parameter.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01566 · Published 2017-02-09 · No fix listed CWE-94
Priority MEDIUM 45
Simple Machines Forum (SMF) 2.0.4 allows local file inclusion, with resultant remote code execution, in install.php via ../ directory traversal in the db_type parameter if install.php remains present after installation.
CVSS 3.0HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.04006 · Published 2019-03-07 · No fix listed CWE-22
Priority MEDIUM 44
The MessageSearch2 function in PersonalMessage.php in Simple Machines Forum (SMF) before 2.0.15 does not properly use the possible_users variable in a query, which might allow attackers to bypass intended access restrict…
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01143 · Published 2018-04-24 · No fix listed
Priority MEDIUM 43
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.
CVSS 3.1HIGH 7.2· Network · High privileges · No interaction · EPSS 0.09186 · Published 2022-04-05 · No fix listed CWE-94
Priority MEDIUM 43
The password reset functionality in Simple Machines Forum (SMF) 1.0.x before 1.0.14, 1.1.x before 1.1.6, and 2.0 before 2.0 beta 4 includes clues about the random number generator state within a hidden form field and gen…
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.07131 · Published 2009-08-13 · No fix listed CWE-255
Priority MEDIUM 41
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.
CVSS 3.0HIGH 8.8· Network · No auth · User interaction · EPSS 0.01527 · Published 2017-02-09 · No fix listed CWE-94
Priority LOW 39
Simple Machines Forum (SMF) 2.0.4 allows PHP Code Injection via the index.php?action=admin;area=languages;sa=editlang dictionary parameter.
CVSS 3.0HIGH 8.1· Network · No auth · No interaction · EPSS 0.0168 · Published 2019-03-07 · No fix listed CWE-94
Priority LOW 37
Simple Machines Forum (SMF) through 2.1.7, fixed in commit 6f0dc61, contains an authorization state-confusion vulnerability in the profile loader that allows authenticated low-privileged users to gain administrator acces…
CVSS 4.0HIGH 8.6· Network · Low privileges · No interaction · EPSS 0.00363 · Published 2026-08-26 · Fixed CWE-863
Priority LOW 36
Simple 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 username.
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.01527 · Published 2014-04-29 · No fix listed CWE-20
Priority LOW 36
Simple 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 characters.
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.01527 · Published 2014-04-29 · No fix listed CWE-20
Priority LOW 36
The loadUserSettings function in Load.php in Simple Machines Forum (SMF) before 1.1.13, and 2.x before 2.0 RC5, does not properly handle invalid login attempts, which might make it easier for remote attackers to obtain a…
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.01596 · Published 2011-06-21 · No fix listed CWE-310
Priority LOW 35
Multiple SQL injection vulnerabilities in Simple Machines Forum (SMF) before 1.1.15 and 2.x before 2.0.1 allow remote attackers to execute arbitrary SQL commands via vectors involving a (1) HTML entity or (2) display nam…
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.01117 · Published 2011-10-24 · No fix listed CWE-89
Priority LOW 35
Simple Machines Forum (SMF) before 1.1.13, and 2.x before 2.0 RC5, does not properly validate the start parameter, which might allow remote attackers to conduct SQL injection attacks, obtain sensitive information, or cau…
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.01084 · Published 2011-06-21 · No fix listed CWE-20
Priority LOW 35
There is a file disclosure vulnerability in SMF (Simple Machines Forum) affecting versions through v2.0.3.
CVSS 3.1HIGH 7.2· Network · High privileges · No interaction · EPSS 0.01732 · Published 2020-01-15 · No fix listed CWE-312
Priority LOW 32
Simple Machines Forum 2.1 prior to commit 7d048f8 and 3.0 prior to commit a7875e8 contains an authorization bypass vulnerability in Sources/Actions/AttachmentApprove.php where a single-character operator error causes the…
CVSS 4.0HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00467 · Published 2026-07-10 · Fixed CWE-863
Priority LOW 31
An issue was discovered in Simple Machines Forum (SMF) before 2.0.16.
CVSS 3.1MEDIUM 6.5· Network · No auth · User interaction · EPSS 0.01304 · Published 2020-01-22 · No fix listed
Priority LOW 31
Cross-site request forgery (CSRF) vulnerability in Simple Machines Forum (SMF) 2.x before 2.0.1 allows remote attackers to hijack the authentication of administrators or moderators via vectors involving image files, a di…
CVSS 2.0MEDIUM 6.8· Network · No auth · Interaction — · EPSS 0.00592 · Published 2011-10-24 · No fix listed CWE-352
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