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TI-2020-12792 Aliases CVE-2020-16266GHSA-4rrc-5vp6-m3f6

An XSS issue was discovered in MantisBT before 2.24.2.

Priority LOW 27CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

An XSS issue was discovered in MantisBT before 2.24.2. Improper escaping on view_all_bug_page.php allows a remote attacker to inject arbitrary HTML into the page by saving it into a text Custom Field, leading to possible code execution in the browser of any user subsequently viewing the issue (if CSP settings allow it).

Why it matters now

EPSS 0.01178 67th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed mantisbt/mantisbt (Packagist): 2.24.2

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)2.1.0 to before 2.24.22.24.2Patch availableGHSA-4rrc-5vp6-m3f6
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • mantisbt/mantisbt (Packagist) Vendor— Affected 2.1.0 to before 2.24.2 Fixed in 2.24.2 Patch available GHSA-4rrc-5vp6-m3f6

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mantisbt:mantisbt:*:*:*:*:*:*:*:*before 2.24.2Vulnerablemantisbt
  • cpe:2.3:a:mantisbt:mantisbt:*:*:*:*:*:*:*:* Versions before 2.24.2 Vulnerable ·mantisbt

Remediation

  • Fix · GHSA-4rrc-5vp6-m3f6 mantisbt/mantisbt (Packagist) Fixed in 2.24.2 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-2020-16266
  2. 2026-10-03 Alias added: GHSA-4rrc-5vp6-m3f6

References

Exploit 1

Advisory 2

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