CVE-2020-25288

PoC —

CVSS 3.1

4.8 medium

EPSS

1%p73

Published

Sep 30, 2020 (Sep 30, 2020)

Modified

Jun 17, 2026

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.

Vendors: mantisbt
Products: mantisbt
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (1.5%)

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