CVE-2021-33557

Public Exploit

Description

An XSS issue was discovered in manage_custom_field_edit_page.php in MantisBT before 2.25.2. Unescaped output of the return parameter allows an attacker to inject code into a hidden input field.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.07% Top 20%
Vendor Advisory mantisbt.org Vendor Advisory mantisbt.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://mantisbt.org/bugs/view.php?id=28552 exploit vendor advisory
https://mantisbt.org/blog/archives/mantisbt/699 release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-33557?
CVE-2021-33557 has been scored as a medium severity vulnerability.
How to fix CVE-2021-33557?
To fix CVE-2021-33557, 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-2021-33557 being actively exploited in the wild?
It is possible that CVE-2021-33557 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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