WordPress Masteriyo LMS plugin < 2.3.3 - Instructor+ Stored XSS via Quiz Description vulnerability

Instructor+ Stored XSS via Quiz Description vulnerability discovered by Farid Narimanov in WordPress Plugin Masteriyo - LMS versions 2.3.3...

CVE-2026-19712 Masteriyo LMS < 2.3.3 - Instructor+ Stored XSS via Quiz Description

The Masteriyo LMS WordPress plugin before 2.3.3 does not sanitise and escape a quiz field before outputting it back in a page, and grants its instructor role the ability to store unfiltered HTML, allowing such users to perform Stored Cross-Site Scripting attacks against any visitor of the affecte...

CVE-2026-19712 Masteriyo LMS < 2.3.3 - Instructor+ Stored XSS via Quiz Description

The Masteriyo LMS WordPress plugin before 2.3.3 does not sanitise and escape a quiz field before outputting it back in a page, and grants its instructor role the ability to store unfiltered HTML, allowing such users to perform Stored Cross-Site Scripting attacks against any visitor of the affecte...

CVE-2021-42664

A Stored Cross Site Scripting XSS Vulneraibiilty exists in Sourcecodester Engineers Online Portal in PHP via the 1 Quiz title and 2 quiz description parameters to addquiz.php. An attacker can leverage this vulnerability in order to run javascript commands on the web server surfers behalf, which c...

CVE-2021-42664

A Stored Cross Site Scripting XSS Vulneraibiilty exists in Sourcecodester Engineers Online Portal in PHP via the 1 Quiz title and 2 quiz description parameters to addquiz.php. An attacker can leverage this vulnerability in order to run javascript commands on the web server surfers behalf, which c...

CVE-2021-42664

A Stored Cross Site Scripting XSS Vulneraibiilty exists in Sourcecodester Engineers Online Portal in PHP via the 1 Quiz title and 2 quiz description parameters to addquiz.php. An attacker can leverage this vulnerability in order to run javascript commands on the web server surfers behalf, which c...

Engineers Online Portal 跨站脚本漏洞

Sourcecodester Engineers Online Portal is an open source online portal. sourcecodester Engineers Online Portal in PHP is vulnerable to a cross-site scripting vulnerability. An attacker can exploit the vulnerability to run javascript commands via the addquiz.php quiz title and quiz description...