CVE-2020-25288 Information

Description

An issue was discovered in MantisBT before 2.24.3. When editing an Issue in a Project where a Custom Field with a crafted Regular Expression property is used improper escaping of the corresponding form input’s pattern attribute allows HTML injection and if CSP settings permit execution of arbitrary JavaScript.

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/221cf323f16a9738a5b27aaba94758f11281d85c https://mantisbt.org/bugs/view.php?id=27275

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