CVE-2020-16266: XSS

Published Aug 12, 2020
·
Updated

An XSS issue was discovered in MantisBT before 2.24.2. Improper escaping on viewallbugpage.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).

Affected Software

2 affected componentsFixes available
MantisBT mantisbt<2.24.2
composer/mantisbt/mantisbt>=2.1.0<=2.24.1
2.24.2

Event History

Aug 12, 2020
CVE Published
via MITRE·12:59 PM
Data Sourced
via MITRE·12:59 PM
Description
May 24, 2022
Advisory Published
via GitHub·05:25 PM

Frequently Asked Questions

1

What is CVE-2020-16266?

CVE-2020-16266 is an XSS vulnerability discovered in MantisBT before version 2.24.2.

2

How does CVE-2020-16266 affect MantisBT?

CVE-2020-16266 allows a remote attacker to inject arbitrary HTML into the MantisBT view_all_bug_page.php by saving it into a text Custom Field.

3

What is the severity of CVE-2020-16266?

The severity of CVE-2020-16266 is medium, with a CVSS score of 5.4.

4

How can I fix CVE-2020-16266?

To fix CVE-2020-16266, update MantisBT to version 2.24.2 or later.

5

Are there any references for CVE-2020-16266?

Yes, you can find references for CVE-2020-16266 at the following links: 1. [MantisBT Blog Post](https://mantisbt.org/blog/archives/mantisbt/665) 2. [MantisBT Bug Entry](https://mantisbt.org/bugs/view.php?id=27056)

Contact

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