Vulnerabilities
Vulnerable Software
Mybb:  >> Mybb  >> 1.03  Security Vulnerabilities
MyBB 1.8.31 has a (issue 2 of 2) cross-site scripting (XSS) vulnerabilities in the post Attachments interface allow attackers to inject HTML by persuading the user to upload a file with specially crafted name
CVSS Score
6.1
EPSS Score
0.001
Published
2022-11-22
MyBB 1.8.31 has a SQL injection vulnerability in the Admin CP's Users module allows remote authenticated users to modify the query string via direct user input or stored search filter settings.
CVSS Score
4.9
EPSS Score
0.0
Published
2022-11-22
MyBB 1.8.31 has a Cross-site scripting (XSS) vulnerability in the visual MyCode editor (SCEditor) allows remote attackers to inject HTML via user input or stored data
CVSS Score
6.1
EPSS Score
0.001
Published
2022-11-22
MyBB is a free and open source forum software. The _Mail Settings_ → Additional Parameters for PHP's mail() function mail_parameters setting value, in connection with the configured mail program's options and behavior, may allow access to sensitive information and Remote Code Execution (RCE). The vulnerable module requires Admin CP access with the `_Can manage settings?_` permission and may depend on configured file permissions. MyBB 1.8.31 resolves this issue with the commit `0cd318136a`. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVSS Score
7.2
EPSS Score
0.024
Published
2022-10-06
MyBB is a free and open source forum software. In affected versions the Admin CP's Settings management module does not validate setting types correctly on insertion and update, making it possible to add settings of supported type `php` with PHP code, executed on on _Change Settings_ pages. This results in a Remote Code Execution (RCE) vulnerability. The vulnerable module requires Admin CP access with the `Can manage settings?` permission. MyBB's Settings module, which allows administrators to add, edit, and delete non-default settings, stores setting data in an options code string ($options_code; mybb_settings.optionscode database column) that identifies the setting type and its options, separated by a new line character (\n). In MyBB 1.2.0, support for setting type php was added, for which the remaining part of the options code is PHP code executed on Change Settings pages (reserved for plugins and internal use). MyBB 1.8.30 resolves this issue. There are no known workarounds.
CVSS Score
7.2
EPSS Score
0.857
Published
2022-03-09
MyBB before 1.8.29 allows Remote Code Injection by an admin with the "Can manage settings?" permission. The Admin CP's Settings management module does not validate setting types correctly on insertion and update, making it possible to add settings of supported type "php" with PHP code, executed on Change Settings pages.
CVSS Score
7.2
EPSS Score
0.007
Published
2021-11-04
MyBB before 1.8.28 allows stored XSS because the displayed Template Name value in the Admin CP's theme management is not escaped properly.
CVSS Score
5.4
EPSS Score
0.003
Published
2021-10-26
SQL Injection vulnerablity in MyBB before 1.8.26 via theme properties included in theme XML files.
CVSS Score
8.8
EPSS Score
0.057
Published
2021-03-15
SQL Injection vulnerability in MyBB before 1.8.26 via poll vote count. (issue 1 of 3).
CVSS Score
8.8
EPSS Score
0.002
Published
2021-03-15
SQL Injection vulnerability in MyBB before 1.8.26 via the Copy Forum feature in Forum Management. (issue 2 of 3).
CVSS Score
7.2
EPSS Score
0.003
Published
2021-03-15


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