Read the docs
TI-2021-19258 Aliases CVE-2021-43257GHSA-rg8f-5p7x-m6wv

Lack of Neutralization of Formula Elements in the CSV API of MantisBT before 2.25.3…

Priority LOW 36CWE-1236Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

EPSS 0.00979 62nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed mantisbt/mantisbt (Packagist): 2.25.3

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—mantisbt/mantisbt (Packagist)before 2.25.32.25.3Patch availableGHSA-rg8f-5p7x-m6wv
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • mantisbt/mantisbt (Packagist) Vendor— Affected before 2.25.3 Fixed in 2.25.3 Patch available GHSA-rg8f-5p7x-m6wv

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mantisbt:mantisbt:*:*:*:*:*:*:*:*before 2.25.3Vulnerablemantisbt
  • cpe:2.3:a:mantisbt:mantisbt:*:*:*:*:*:*:*:* Versions before 2.25.3 Vulnerable ·mantisbt

Remediation

  • Fix · GHSA-rg8f-5p7x-m6wv mantisbt/mantisbt (Packagist) Fixed in 2.25.3 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43257
  2. 2026-10-03 Alias added: GHSA-rg8f-5p7x-m6wv

References

Exploit 1

Patch 1

Advisory 1

Other 2

  • TI-2017-05251 MantisBT through 2.3.0 allows arbitrary password reset and unauthenticated admin access… CVSS 3.1HIGH 8.8
  • TI-2014-05966 The XmlImportExport plugin in MantisBT 1.2.17 and earlier allows remote attackers to… CVSS 2.0HIGH 7.5
  • TI-2025-38760 MantisBT unauthorized disclosure of private project column configuration CVSS 4.0MEDIUM 5.3
  • TI-2017-04981 A cross-site scripting (XSS) vulnerability in the MantisBT Configuration Report page… CVSS 3.0MEDIUM 4.8
  • TI-2019-11797 MantisBT before 1.3.20 and 2.22.1 allows Post Authentication Command Injection, leading to Remote Code Execution. CVSS 3.1HIGH 7.2
  • TI-2014-07063 The XML Import/Export plugin in MantisBT 1.2.x does not restrict access, which allows… CVSS 2.0MEDIUM 6.4
See all 121 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences