CVE-2018-1000162
Medium
Description
Parsedown version prior to 1.7.0 contains a Cross Site Scripting (XSS) vulnerability in `setMarkupEscaped` for escaping HTML that can result in JavaScript code execution. This attack appears to be exploitable via specially crafted markdown that allows it to side step HTML escaping by breaking AST boundaries. This vulnerability appears to have been fixed in 1.7.0 and later.
SeverityMedium
CVSS6.1
Exploit probability—
ProductParsedown
PublishedApr 18, 2018
First seenApr 18, 2018
How to fix
Update
- parsedown parsedown1.7.0 or later
- erusev/parsedown1.7.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| parsedown parsedown | v < 1.7.0 | 1.7.0 |
| erusev/parsedownPackagist | v < 1.7.0 | 1.7.0 |
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