CVE-2020-25830 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Reference

http://github.com/mantisbt/mantisbt/commit/8c6f4d8859785b67fb80ac65100ac5259ed9237d https://mantisbt.org/bugs/view.php?id=27304

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

4.8