Описание
TinyMCE Cross-Site Scripting (XSS) vulnerability using sanitization bypass through nested SVGs
Impact
TinyMCE 6.8.x contains an XSS vulnerability caused by improper SVG namespace scope handling in the sanitizer. A crafted payload using nested elements can bypass attribute sanitization and execute arbitrary JavaScript.
Patches
This issue affects TinyMCE 6.8.x-7.0.x. The vulnerability is fixed in TinyMCE 7.1.0 and later.
Workarounds
No official workaround available.
Acknowledgements
Tiny thanks maple3142 (https://maple3142.net) of DEVCORE for their help identifying this vulnerability.
References
Fix introduced in TinyMCE 7.1.0 though a rewrite of code causing the vulnerability.
Пакеты
tinymce
>= 6.8.0, < 7.1.0
7.1.0
TinyMCE
>= 6.8.0, < 7.1.0
7.1.0
tinymce/tinymce
>= 6.8.0, < 7.1.0
7.1.0
Связанные уязвимости
TinyMCE is an open source rich text editor. From 6.8.0 to before 7.1.0, TinyMCE contains an XSS vulnerability caused by improper SVG namespace scope handling in the sanitizer. A crafted payload using nested elements can bypass attribute sanitization and execute arbitrary JavaScript. This vulnerability is fixed in 7.1.0.
TinyMCE is an open source rich text editor. From 6.8.0 to before 7.1.0, TinyMCE contains an XSS vulnerability caused by improper SVG namespace scope handling in the sanitizer. A crafted payload using nested elements can bypass attribute sanitization and execute arbitrary JavaScript. This vulnerability is fixed in 7.1.0.
TinyMCE is an open source rich text editor. From 6.8.0 to before 7.1.0 ...