CVE-2020-21353

Public Exploit

Description

A stored cross site scripting (XSS) vulnerability in /admin/snippets.php of GetSimple CMS 3.4.0a allows attackers to execute arbitrary web scripts or HTML via crafted payload in the Edit Snippets module.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.28%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1319 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-21353?
CVE-2020-21353 has been scored as a medium severity vulnerability.
How to fix CVE-2020-21353?
To fix CVE-2020-21353, 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-2020-21353 being actively exploited in the wild?
It is possible that CVE-2020-21353 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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