CVE-2020-26287

Summary (CVE-2020-26287) : HedgeDoc prior to version 1.7.1 is vulnerable to cross-site scripting through injection of arbitrary [removed] tags in notes created via mermaid diagrams. The underlying issue stems from a permissive content security policy that allowed loading scripts from certain orig...

CVE-2020-26286

HedgeDoc prior to 1.7.1 allows unauthenticated arbitrary file uploads to the upload storage backend (HTML/JS/PHP). It is patched in 1.7.1. Verify that stored files are allowed, as uploaded files might still be served. Workarounds: block the /uploadimage endpoint via a reverse proxy and/or restric...

CVE-2020-26286 Arbitary file upload

HedgeDoc is a collaborative platform for writing and sharing markdown. In HedgeDoc before version 1.7.1 an unauthenticated attacker can upload arbitrary files to the upload storage backend including HTML, JS and PHP files. The problem is patched in HedgeDoc 1.7.1. You should however verify that...

Hedgedoc 跨站脚本漏洞

Hedgedoc is a Javascript-based Markdown document real-time editing and sharing platform by the Hedgedoc team. A security vulnerability exists in HedgeDoc versions prior to 1.7.1, which can be exploited to inject arbitrary "script" tags into HedgeDoc notes. Our content security policy prohibits...

Hedgedoc 代码问题漏洞

Hedgedoc is a Javascript-based Markdown document real-time editing and sharing platform by the Hedgedoc team. A file upload vulnerability exists in versions prior to HedgeDoc 1.7.1, which can be exploited by an unauthenticated attacker to upload arbitrary files to the upload storage backend,...