CVE-2018-1000162

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.40%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/Roave/SecurityAdvisories/issues/44#issuecomment-368594409 third party advisory
https://github.com/erusev/parsedown/pull/495 third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-1000162?
CVE-2018-1000162 has been scored as a medium severity vulnerability.
How to fix CVE-2018-1000162?
To fix CVE-2018-1000162, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-1000162 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-1000162 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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