CVE-2018-19057

Public Exploit

Description

SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with [ and ( characters, which is mishandled during construction of an A element.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.22%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/sparksuite/simplemde-markdown-editor/issues/721 issue tracking exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-19057?
CVE-2018-19057 has been scored as a medium severity vulnerability.
How to fix CVE-2018-19057?
To fix CVE-2018-19057, 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-2018-19057 being actively exploited in the wild?
It is possible that CVE-2018-19057 is being exploited or will be exploited in a near future based on public information. 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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