What is CVE-2020-25830?

CVE-2020-25830 is a vulnerability in MantisBT before version 2.24.3 that allows an attacker to inject HTML and execute arbitrary JavaScript.

What is the severity of CVE-2020-25830?

CVE-2020-25830 has a severity rating of medium.

How does CVE-2020-25830 work?

CVE-2020-25830 works by improperly escaping a custom field's name, allowing an attacker to inject HTML and potentially execute arbitrary JavaScript code.

How can I fix CVE-2020-25830?

To fix CVE-2020-25830, you should upgrade to MantisBT version 2.24.3 or later.

Vulnerability/
CVE-2020-25830

medium

4.8

CWE

30/9/2020

24/5/2022

4/8/2024

CVE-2020-25830: XSS

Q: Where can I find more information about CVE-2020-25830?

You can find more information about CVE-2020-25830 in the following references: [GitHub commit](http://github.com/mantisbt/mantisbt/commit/8c6f4d8859785b67fb80ac65100ac5259ed9237d) and [MantisBT bug report](https://mantisbt.org/bugs/view.php?id=27304).

First published: Wed Sep 30 2020(Updated: )

An issue was discovered in MantisBT before 2.24.3. Improper escaping of a custom field's name allows an attacker to inject HTML and, if CSP settings permit, achieve execution of arbitrary JavaScript when attempting to update said custom field via `bug_actiongroup_page.php`.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
Mantisbt Mantisbt	<2.24.3
composer/mantisbt/mantisbt	<2.24.3	2.24.3
	<2.24.3

Remedy

http://github.com/mantisbt/mantisbt/commit/8c6f4d8859785b67fb80ac65100ac5259ed9237d

Remedy

https://mantisbt.org/bugs/view.php?id=27304

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Reference Links

Frequently Asked Questions

What is CVE-2020-25830?
CVE-2020-25830 is a vulnerability in MantisBT before version 2.24.3 that allows an attacker to inject HTML and execute arbitrary JavaScript.
What is the severity of CVE-2020-25830?
CVE-2020-25830 has a severity rating of medium.
How does CVE-2020-25830 work?
CVE-2020-25830 works by improperly escaping a custom field's name, allowing an attacker to inject HTML and potentially execute arbitrary JavaScript code.
How can I fix CVE-2020-25830?
To fix CVE-2020-25830, you should upgrade to MantisBT version 2.24.3 or later.
Where can I find more information about CVE-2020-25830?
You can find more information about CVE-2020-25830 in the following references: [GitHub commit](http://github.com/mantisbt/mantisbt/commit/8c6f4d8859785b67fb80ac65100ac5259ed9237d) and [MantisBT bug report](https://mantisbt.org/bugs/view.php?id=27304).

collector/nvd-index
agent/type
agent/remedy
agent/first-publish-date
collector/github-advisory-latest
source/GitHub
alias/GHSA-2pm7-q8pc-xhvq
alias/CVE-2020-25830
agent/software-canonical-lookup
agent/severity
agent/weakness
agent/last-modified-date
agent/references
agent/description
agent/author
agent/softwarecombine
agent/event
collector/nvd-cve
source/NVD
collector/github-advisory
agent/tags
collector/mitre-cve
source/MITRE
vendor/mantisbt
canonical/mantisbt mantisbt
package-manager/composer

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