In Joomla! 1.5.0 through 3.6.5 (fixed in 3.7.0), inadequate filtering of specific HTML attributes leads to XSS vulnerabilities in various components.

According to its self-reported version number, the detected Joomla! application is affected by multiple vulnerabilities :

 - A flaw exists in the JMail API due to PHPMail version information being included in mail headers. An unauthenticated, remote attacker can exploit this to disclose sensitive information. (CVE-2017-7983)

 - A cross-site scripting (XSS) vulnerability exists in the template manager component due to improper validation of input before returning it to users. An unauthenticated, remote attacker can exploit this, via a specially crafted request, to execute arbitrary script code in a user's browser session. (CVE-2017-7984)

 - A cross-site scripting (XSS) vulnerability exists in unspecified components when handling multibyte characters due to improper validation of input before returning it to users. An unauthenticated, remote attacker can exploit this, via a specially crafted request, to execute arbitrary script code in a user's browser session. (CVE-2017-7985)

 - A cross-site scripting (XSS) vulnerability exists in unspecified components when handling certain HTML attributes due to improper validation of input before returning it to users. An unauthenticated, remote attacker can exploit this, via a specially crafted request, to execute arbitrary script code in a user's browser session. (CVE-2017-7986)

 - A cross-site scripting (XSS) vulnerability exists in the template manager component due to inadequate escaping of file and folder name input before returning it to users. An unauthenticated, remote attacker can exploit this, via a specially crafted request, to execute arbitrary script code in a user's browser session. (CVE-2017-7987)

 - A flaw exists due to improper sanitization of form content that allows an unauthenticated, remote attacker to overwrite the author of articles. (CVE-2017-7988)

 - A flaw exists in MIME type checking that allows an authenticated, remote attacker with low privileges to upload SWF files even if this action is not allowed for the privilege level. (CVE-2017-7989)

 - Multiple unspecified files exist that allow an unauthenticated, remote attacker to disclose the software's installation path on systems that have error reporting enabled. (CVE-2017-8057)

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

According to its self-reported version number, the Joomla! installation running on the remote web server is prior to 3.7.0. It is, therefore, affected by multiple vulnerabilities :

  - A flaw exists in the JMail API due to PHPMail version     information being included in mail headers. An     unauthenticated, remote attacker can exploit this to     disclose sensitive information. (CVE-2017-7983)

  - A cross-site scripting (XSS) vulnerability exists in the     template manager component due to improper validation of     input before returning it to users. An unauthenticated,     remote attacker can exploit this, via a specially     crafted request, to execute arbitrary script code in a     user's browser session. (CVE-2017-7984)

  - A cross-site scripting (XSS) vulnerability exists in     unspecified components when handling multibyte     characters due to improper validation of input before     returning it to users. An unauthenticated, remote     attacker can exploit this, via a specially crafted     request, to execute arbitrary script code in a user's     browser session. (CVE-2017-7985)

  - A cross-site scripting (XSS) vulnerability exists in     unspecified components when handling certain HTML     attributes due to improper validation of input before     returning it to users. An unauthenticated, remote     attacker can exploit this, via a specially crafted     request, to execute arbitrary script code in a user's     browser session. (CVE-2017-7986)

  - A cross-site scripting (XSS) vulnerability exists in the     template manager component due to inadequate escaping of     file and folder name input before returning it to users.
    An unauthenticated, remote attacker can exploit this,     via a specially crafted request, to execute arbitrary     script code in a user's browser session. (CVE-2017-7987)

  - A flaw exists due to improper sanitization of form     content that allows an unauthenticated, remote attacker     to overwrite the author of articles. (CVE-2017-7988)

  - A flaw exists in MIME type checking that allows an     authenticated, remote attacker with low privileges to     upload SWF files even if this action is not allowed for     the privilege level. (CVE-2017-7989)

  - Multiple unspecified files exist that allow an     unauthenticated, remote attacker to disclose the     software's installation path on systems that have error     reporting enabled. (CVE-2017-8057)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
98424	Joomla! 1.5.x < 3.7.0 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	medium
98423	Joomla! 1.6.x < 3.7.0 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	medium
98422	Joomla! 1.7.x < 3.7.0 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	medium
98421	Joomla! 2.5.x < 3.7.0 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	medium
98420	Joomla! 3.0.x < 3.7.0 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	medium
98419	Joomla! 3.1.x < 3.7.0 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	medium
98418	Joomla! 3.2.x < 3.7.0 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	medium
98417	Joomla! 3.3.x < 3.7.0 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	medium
98416	Joomla! 3.4.x < 3.7.0 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	medium
98415	Joomla! 3.5.x < 3.7.0 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	medium
98414	Joomla! 3.6.x < 3.7.0 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	medium
99691	Joomla! < 3.7.0 Multiple Vulnerabilities	Nessus	CGI abuses	medium

Detections

Analytics

CVE-2017-7986

medium

Tenable Plugins

medium

medium

medium

medium

medium

medium

medium

medium

medium

medium

medium

medium