CVE-2020-16266

Public Exploit

Description

An XSS issue was discovered in MantisBT before 2.24.2. Improper escaping on view_all_bug_page.php allows a remote attacker to inject arbitrary HTML into the page by saving it into a text Custom Field, leading to possible code execution in the browser of any user subsequently viewing the issue (if CSP settings allow it).

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.28%
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=27056 issue tracking patch vendor advisory exploit
https://mantisbt.org/blog/archives/mantisbt/665 release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-16266?
CVE-2020-16266 has been scored as a medium severity vulnerability.
How to fix CVE-2020-16266?
To fix CVE-2020-16266, 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-2020-16266 being actively exploited in the wild?
It is possible that CVE-2020-16266 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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