Dropbox: Dropbox Paper - Markdown XSS

Hello, Today I took a look at Dropbox Paper and noticed there is an option to export/download the project as a Markdown or word docx document. I noticed it doesn't filter any kind of Markdown escaping, meaning when parsed after download will let us execute client side code. equivallent to arbrita...

WordPress WP Markdown Editor Cross-Site Scripting Vulnerability

WordPress is a set of WordPress Software Foundation's blogging platform developed using the PHP language, which supports personal blog sites on servers with PHP and MySQL. A cross-site scripting vulnerability exists in version 2.0.3 of WordPress's WP Markdown editor aka wp-markdown-editor, which...

WP Markdown Editor 2.3.0 - Authenticated "Self" Cross-Site Scripting (XSS)

An Author user could be exploited by use of "self" XSS. This usually requires social engineering and user interaction...

Epiceditor – Cross-Site Scripting（CVE-2017-6589）

EpicEditor Introduction EpicEditor is an embeddable JavaScript Markdown editor with split fullscreen editing, live previewing, automatic draft saving, offline support, and more. For developers, it offers a robust API, can be easily themed, and allows you to swap out the bundled Markdown parser wi...

Cross-site Scripting (XSS)

Overview marked is a markdown parser and compiler used for rendering markdown content to html. Affected versions of the package allowed the use of data: URIs for all mime types by default potentially opening a door for Cross-site Scripting XSS attacks. Data URIs enable embedding small files in li...

Discourse: XSS Vulnerability on Image link parser

I found a XSS Cross-Site Scripting vulnerability, and it is present in the markdown parser when it tries to parse an image URL. To reproduce the vulnerability you need to add a fake image url like: http://host/path/to/image'onerror=alert1;//.png As you can see, we have an invalid image URL which...

CVE-2016-4812

Cross-site scripting XSS vulnerability in the Markdown on Save Improved plugin before 2.5.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via unspecified vectors...

CVE-2016-4812

Cross-site scripting XSS vulnerability in the Markdown on Save Improved plugin before 2.5.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via unspecified vectors...

Cross site scripting

Cross-site scripting XSS vulnerability in the Markdown on Save Improved plugin before 2.5.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via unspecified vectors...

CVE-2016-4812

The CVE-2016-4812 has concrete details: the WordPress plugin Markdown on Save Improved is affected by a stored XSS vulnerability in versions up to 2.5.1, allowing remote attackers to run arbitrary scripts via unspecified vectors. Exploitation is documented in multiple sources (NVD, JVN, CVE lists...

WordPress Markdown on Save Improved Plugin Cross-Site Scripting Vulnerability

WordPress is the WordPress Software Foundation a set of blogging platform using PHP language development, the platform supports in PHP and MySQL server set up a personal blog site.Markdown on Save Improved is one of the editor plugin. A cross-site scripting vulnerability exists in WordPress...

JVN#26026353: WordPress plugin "Markdown on Save Improved" vulnerable to cross-site scripting

The WordPress plugin "Markdown on Save Improved" contains a stored cross-site scripting CWE-79 vulnerability. Impact An arbitrary script may be executed on the user's web browser. Solution Update the plugin Update the plugin according to the information provided by the developer. While the...

WordPress Markdown on Save Improved Plugin <= 2.5.0 - XSS

This vulnerability allows an attacker to inject arbitrary web script or HTML via unspecified vectors. Solution Update the plugin...

NodeBB < 0.7.0 XSS Vulnerability

NodeBB is prone to a stored cross-site scripting XSS vulnerability. SPDX-FileCopyrightText: 2016 SCHUTZWERK GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later CPE =...

Slack: Stored XSS on team.slack.com using new Markdown editor of posts inside the Editing mode and using javascript-URIs

Hi, I noticed while looking at an old article I made a while ago that some links were actually inserted as javascript:-links. Doing some modifications to these actually revealed that inside editing mode, no protection is added for getting arbitrary scripts to run. This means that by catching the...

HackerOne: Previous attachments can be referenced when creating a new report

Hello When user upload file in comment to report, user can find file ID by two ways: 1. In preview mode - In response to POST method https://hackerone.com/attachments , answer will be something like this: -"id":84577,"name":"mytestfile.png","size":32397 where fileID = 84577 for example 2. If user...

HackerOne: DOS Report FILE html inside <code> in markdown

LOOK rezult https://hackerone.com/reports/127809 F82764 POC Copy in F82766 TXT file all and create a new review I warn you , if you do this , then the report cannot open . You can create a report , attach files and replace my files F82764 and F82765 , paste in the contents of the report and creat...

HackerOne: Possible XSS

Hi, I opened this report as soon as I have read https://mathiasbynens.github.io/rel-noopener/ It doesn't necessarly affect HackerOne, nor have i given it enough time to get a working dom manipulation. But since Markdown allows creating target attributes to anchor tags, it may be possible to get...

Gratipay: Markdown parsing issue enables insertion of malicious tags

Markdown tags and event handlers can be used to load malicious URLs in user's profile statement. Here is the payload that when entered in user's profile statement leads to the following HTML: Payload: www.attacker.com/malicious.exe Resulting HTML: "html": "www.attacker.com/malicious.exe\n" See th...

HackerOne: Putting link inside link in markdown

Hello. I was playing around in markdown editor and find 1 interesting feature. You can put a link inside link. ololol l l:http://dwq If you do it ololol will be parsed first, then result of parsing will be send outside. Maximum depth of such link inserting is 16. So the slowest thing we can do is...