PT-2021-22433 · Hedgedoc · Hedgedoc

Name of the Vulnerable Software and Affected Versions: HedgeDoc versions prior to 1.9.0 Description: HedgeDoc is a platform to write and share markdown. In versions prior to 1.9.0, an unauthenticated attacker can inject arbitrary JavaScript into the speaker-notes of the slide-mode feature by...

Hedgedoc 跨站脚本漏洞

HedgeDoc is a platform for writing and sharing Markdown. cross-site scripting vulnerabilities exist in versions of HedgeDoc prior to 1.9.0. An attacker could exploit the vulnerability by embedding an iframe hosting malicious code into a slideshow or embedding a HedgeDoc instance into another page...

CVE-2021-39175: Improper Neutralization of Special Elements in Output Used by a Downstream Component

HedgeDoc is a platform to write and share markdown. In versions prior to 1.9.0, an unauthenticated attacker can inject arbitrary JavaScript into the speaker-notes of the slide-mode feature by embedding an iframe hosting the malicious code into the slides or by embedding the HedgeDoc instance into...

CVE-2021-29503

HedgeDoc is a platform to write and share markdown. HedgeDoc before version 1.8.2 is vulnerable to a cross-site scripting attack using the YAML-metadata of a note. An attacker with write access to a note can embed HTML tags in the Open Graph metadata section of the note, resulting in the frontend...

CVE-2021-29503

HedgeDoc is a platform to write and share markdown. HedgeDoc before version 1.8.2 is vulnerable to a cross-site scripting attack using the YAML-metadata of a note. An attacker with write access to a note can embed HTML tags in the Open Graph metadata section of the note, resulting in the frontend...

Cross site scripting

HedgeDoc is a platform to write and share markdown. HedgeDoc before version 1.8.2 is vulnerable to a cross-site scripting attack using the YAML-metadata of a note. An attacker with write access to a note can embed HTML tags in the Open Graph metadata section of the note, resulting in the frontend...

CVE-2021-29503 Improper Neutralization of Script-Related HTML Tags in Notes

HedgeDoc is a platform to write and share markdown. HedgeDoc before version 1.8.2 is vulnerable to a cross-site scripting attack using the YAML-metadata of a note. An attacker with write access to a note can embed HTML tags in the Open Graph metadata section of the note, resulting in the frontend...

CVE-2021-29503

HedgeDoc before 1.8.2 is vulnerable to XSS via YAML-metadata in notes. An attacker with write access can embed HTML in Open Graph metadata, causing the frontend to render a script tag in the head; unauthenticated edits possible if guests can edit, otherwise authenticated users with write access c...

CVE-2021-29503

HedgeDoc is a platform to write and share markdown. HedgeDoc before version 1.8.2 is vulnerable to a cross-site scripting attack using the YAML-metadata of a note. An attacker with write access to a note can embed HTML tags in the Open Graph metadata section of the note, resulting in the frontend...

PT-2021-18258

Name of the Vulnerable Software and Affected Versions: HedgeDoc versions prior to 1.8.2 Description: The issue allows an attacker with write access to a note to embed HTML tags in the Open Graph metadata section, resulting in the frontend rendering the script tag as part of the head section. This...

CVE-2021-29503: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

HedgeDoc is a platform to write and share markdown. HedgeDoc before version 1.8.2 is vulnerable to a cross-site scripting attack using the YAML-metadata of a note. An attacker with write access to a note can embed HTML tags in the Open Graph metadata section of the note, resulting in the frontend...

[ASA-202105-9] hedgedoc: cross-site scripting

Arch Linux Security Advisory ASA-202105-9 ========================================= Severity: High Date : 2021-05-19 CVE-ID : CVE-2021-29503 Package : hedgedoc Type : cross-site scripting Remote : Yes Link : https://security.archlinux.org/AVG-1946 Summary ======= The package hedgedoc before versi...

Hedgedoc 跨站脚本漏洞

Hedgedoc is a Javascript-based real-time editing and sharing platform for Markdown documents by the Hedgedoc team. A cross-site scripting vulnerability exists in HedgeDoc. A remote attacker can trick a victim into following a specially crafted link and execute arbitrary HTML and script code in a...

CVE-2021-29474

HedgeDoc formerly known as CodiMD is an open-source collaborative markdown editor. An attacker can read arbitrary .md files from the server's filesystem due to an improper input validation, which results in the ability to perform a relative path traversal. To verify if you are affected, you can t...

CVE-2021-29474

HedgeDoc formerly known as CodiMD is an open-source collaborative markdown editor. An attacker can read arbitrary .md files from the server's filesystem due to an improper input validation, which results in the ability to perform a relative path traversal. To verify if you are affected, you can t...

Path traversal

HedgeDoc formerly known as CodiMD is an open-source collaborative markdown editor. An attacker can read arbitrary .md files from the server's filesystem due to an improper input validation, which results in the ability to perform a relative path traversal. To verify if you are affected, you can t...

CVE-2021-29474

CVE-2021-29474 affects HedgeDoc (CodiMD). The vulnerability allows a relative path traversal via an improper input validation in the note creation flow: an URL-encoded alias is passed through the router into noteController.showNote, then into findNote/parseNoteId, ultimately using a possibly unva...

CVE-2021-29474 Relative Path Traversal Attack on note creation

HedgeDoc formerly known as CodiMD is an open-source collaborative markdown editor. An attacker can read arbitrary .md files from the server's filesystem due to an improper input validation, which results in the ability to perform a relative path traversal. To verify if you are affected, you can t...

CVE-2021-29474

HedgeDoc formerly known as CodiMD is an open-source collaborative markdown editor. An attacker can read arbitrary .md files from the server's filesystem due to an improper input validation, which results in the ability to perform a relative path traversal. To verify if you are affected, you can t...

CVE-2021-29475

HedgeDoc formerly known as CodiMD is an open-source collaborative markdown editor. An attacker is able to receive arbitrary files from the file system when exporting a note to PDF. Since the code injection has to take place as note content, there fore this exploit requires the attackers ability t...