CVE-2021-33391

Public Exploit

Description

An issue in HTACG HTML Tidy v5.7.28 allows attacker to execute arbitrary code via the -g option of the CleanNode() function in gdoc.c.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.29%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/htacg/tidy-html5/issues/946 patch exploit

Frequently Asked Questions

What is the severity of CVE-2021-33391?
CVE-2021-33391 has been scored as a critical severity vulnerability.
How to fix CVE-2021-33391?
To fix CVE-2021-33391, 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-2021-33391 being actively exploited in the wild?
It is possible that CVE-2021-33391 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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