CVE-2021-21259

CVE-2021-21259 affects HedgeDoc before version 1.7.2, where an attacker could inject arbitrary JavaScript into a note that is executed when viewed in slide mode. Depending on instance configuration, authentication may not be required to create or edit notes. The issue is fixed in HedgeDoc 1.7.2; ...

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 cross-site scripting vulnerability exists in versions prior to HedgeDoc 1.7.2, which can be exploited by attackers to inject arbitrary JavaScript...

Hedgedoc Cross-Site Scripting Vulnerability

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...

CVE-2020-26287

HedgeDoc is a collaborative platform for writing and sharing markdown. In HedgeDoc before version 1.7.1 an attacker can inject arbitrary script tags in HedgeDoc notes using mermaid diagrams. Our content security policy prevents loading scripts from most locations, but www.google-analytics.com is...

CVE-2020-26286

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...

CVE-2020-26286

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...

CVE-2020-26287

HedgeDoc is a collaborative platform for writing and sharing markdown. In HedgeDoc before version 1.7.1 an attacker can inject arbitrary script tags in HedgeDoc notes using mermaid diagrams. Our content security policy prevents loading scripts from most locations, but www.google-analytics.com is...

Design/Logic Flaw

HedgeDoc is a collaborative platform for writing and sharing markdown. In HedgeDoc before version 1.7.1 an attacker can inject arbitrary script tags in HedgeDoc notes using mermaid diagrams. Our content security policy prevents loading scripts from most locations, but www.google-analytics.com is...

Design/Logic Flaw

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 File Upload Vulnerability

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,...

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-2020-26287 Stored XSS in mermaid diagrams

HedgeDoc is a collaborative platform for writing and sharing markdown. In HedgeDoc before version 1.7.1 an attacker can inject arbitrary script tags in HedgeDoc notes using mermaid diagrams. Our content security policy prevents loading scripts from most locations, but www.google-analytics.com is...

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 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,...

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...