CVE-2021-43257

HIGH

Published Apr 14, 20224y ago · Modified Jun 17, 20262w ago

7.8 CVSS 3.1

High

Published Apr 14, 2022 4y ago

Last Modified Jun 17, 2026 2w ago

Description

Lack of Neutralization of Formula Elements in the CSV API of MantisBT before 2.25.3 allows an unprivileged attacker to execute code or gain access to information when a user opens the csv_export.php generated CSV file in Excel.

CVSS Details

Base Score

7.8

Exploitability

1.8

Impact

5.9

Vector string

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

Attack Vector Local

Attack Complexity Low

Privileges Required None

User Interaction Required

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status

Public Exploit Known

Patch Available

Weaknesses 1

CWE-1236

Affected Products 1

Vendor	Product	Version	Range
mantisbt	mantisbt	*	<2.25.3

References 2

github.com https://github.com/mantisbt/mantisbt/commit/7f4534c723e3162b8784aebda4836324041dbc3e

PatchThird Party Advisory
mantisbt.org https://www.mantisbt.org/bugs/view.php?id=29130

ExploitIssue TrackingPatchVendor Advisory

Remediation

github.com https://github.com/mantisbt/mantisbt/commit/7f4534c723e3162b8784aebda4836324041dbc3e

PatchThird Party Advisory
mantisbt.org https://www.mantisbt.org/bugs/view.php?id=29130

ExploitIssue TrackingPatchVendor Advisory