md4c buffer overflow vulnerability

md4c is a C-based Markdown a markup language parser . A buffer overflow vulnerability exists in the 'mdsplitsimplepairingmark' function in versions of md4c prior to 0.2.5. An attacker could exploit this vulnerability to cause a denial of service or execute arbitrary code...

[SECURITY] Fedora 27 Update: python-mistune-0.8.3-1.fc27

The fastest markdown parser in pure Python, inspired by marked...

[SECURITY] Fedora 26 Update: python-mistune-0.8.3-1.fc26

The fastest markdown parser in pure Python, inspired by marked...

Rocket.Chat: Remote Code Execution in Rocket.Chat Desktop

Summary: The Markdown parser can be tricked into allowing arbitrary Javascript leading to "remote code execution". Description: By combining the "link" and inline code block we can trick the parser into breaking out of the current HTML attribute. This allows us to control other attributes of the...

Cross site scripting

Cross-site scripting XSS vulnerability in the Markdown parser in Loomio before 1.8.0 allows remote attackers to inject arbitrary web script or HTML via non-sanitized Markdown content in a new thread or a thread comment...

CVE-2017-11594

Cross-site scripting XSS vulnerability in the Markdown parser in Loomio before 1.8.0 allows remote attackers to inject arbitrary web script or HTML via non-sanitized Markdown content in a new thread or a thread comment...

CVE-2017-11594

CVE-2017-11594 affects Loomio’s Markdown parser prior to version 1.8.0. The vulnerability is a cross-site scripting (XSS) flaw that lets remote attackers inject arbitrary web script or HTML through non-sanitized Markdown content in new threads or thread comments. The root cause is improper saniti...

CVE-2017-11594

Cross-site scripting XSS vulnerability in the Markdown parser in Loomio before 1.8.0 allows remote attackers to inject arbitrary web script or HTML via non-sanitized Markdown content in a new thread or a thread comment...

Loomio Cross-Site Scripting Vulnerability

Loomio is a cross-platform team decision-making tool. markdown parser is one of the Markdown markup language parser. A cross-site scripting vulnerability exists in the Markdown parser in Loomio versions prior to 1.8.0. A remote attacker can exploit this vulnerability to inject arbitrary web scrip...

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...