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Medium

MantisBT: Injection of TIME_TRACKING and REMINDER Notes via REST and SOAP APIs

  • Disclosed: 15.07.2026
  • Updated: 11.10.2026 10:22

Unvalidated note_type Parameter in mc_issue_update SOAP Endpoint Allows creation of TIME_TRACKING and REMINDER Notes. The SOAP path passes the user-supplied note_type integer directly to bugnote_add() without validating that the user is authorized to create that type of note. If the user's access level is higher than $g_time_tracking_view_threshold, they can also inject arbitrary hours into billing reports.

REST API also allows injection of TIME_TRACKING notes (but not REMINDER) through the same mc_issue_update() function.

Impact

An attacker with UPDATER access could:

  • Inject fake billable hours via TIME_TRACKING notes (note_type=2), corrupting billing data exported through MantisBT's billing reports. Organizations that bill clients based on MantisBT time tracking data would generate incorrect invoices, and corrupt time tracking reports could be used to drive project management decisions.
  • Fake REMINDER notes registered (but without actual sending of notifications).

Patches

Workarounds

None

Resources

Credits

Thanks to the following security researchers for discovering and responsibly reporting the issue

  • Vishal Shukla
  • Psalms Christopher Matovu (@byteoverride)

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package mantisbt/mantisbt < 2.28.4 2.28.4

References

CVSS score -
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-20
Platform
Composer
Package
mantisbt/mantisbt
Disclosed
15.07.2026
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-4vpf-w7qv-5h3q - CC BY 4.0

Vulnerability history: mantisbt/mantisbt

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (74) in the archive
Total entries
74
First → latest
04.2022 07.2026
Without a fix
2
Exploited in attacks
0

Severity breakdown

  • Critical 4
  • High 20
  • Medium 49
  • Low 1

Disclosures per year

Severity:
  1. MantisBT: Stored XSS in print_all_bug_page_word.php
    High CVE-2026-62944 < 2.28.4 2.28.4
  2. MantisBT: Injection of TIME_TRACKING and REMINDER Notes via REST and SOAP APIs this entry
    Medium CVE-2026-52883 < 2.28.4 2.28.4
  3. MantisBT: Reflected XSS in admin/install.php via unescaped printf
    Critical CVE-2026-52881 < 2.28.4 2.28.4
  4. MantisBT: Reflected XSS in admin/install.php
    Critical CVE-2026-52847 < 2.28.4 2.28.4
  5. MantisBT: Remote Code Execution via eval() Class Hoisting in adm_config_set.php
    High CVE-2026-49273 >= 1.3.0, < 2.28.4 2.28.4
  6. MantisBT: SOAP API Authentication Bypass with Privilege Escalation to Administrator
    Critical CVE-2026-47156 < 2.28.4 2.28.4
  7. MantisBT: SQL Injection via history_order Configuration Value
    High CVE-2026-47142 < 2.28.4 2.28.4
  8. MantisBT Vulnerable to Stored XSS in File Download
    High CVE-2026-44657 < 2.28.2 2.28.2
  9. MantisBT has Stored XSS on Move Attachments Admin Page
    High CVE-2026-44655 >= 1.3.0, < 2.28.2 2.28.2
  10. MantisBT has a Private Bugnote Attachment Content Leak via REST API
    High CVE-2026-42071 >= 2.23.0, < 2.28.2 2.28.2
  11. MantisBT is Vulnerable to Stored XSS in Saved-Filter Owner Column
    High CVE-2026-40607 >= 2.1.0, < 2.28.2 2.28.2
  12. MantisBT has a Content Security Policy bypass via attachments
    High CVE-2026-40597 < 2.28.2 2.28.2
  13. MantisBT is Vulnerable to XSS leading to account takeover via updating a user's font family preference
    High CVE-2026-40596 >= 2.11.0, < 2.28.2 2.28.2
  14. MantisBT is Vulnerable to Stored HTML Injection/XSS in Clone Issue Form
    High CVE-2026-34463 < 2.28.2 2.28.2
  15. MantisBT has Stored HTML Injection/XSS when displaying Tags in Timeline
    High · 6.1 CVE-2026-33548 >= 2.28.0, < 2.28.2 2.28.2
  16. MantisBT Vulnerable to Stored HTML Injection in Tag Delete Confirmation
    High CVE-2026-33517 >= 2.28.0, < 2.28.1 2.28.1
  17. MantisBT is vulnerable to authentication bypass through the SOAP API on MySQL
    Critical CVE-2026-30849 < 2.28.1 2.28.1
  18. MantisBT vulnerable to authentication bypass for some passwords due to PHP type juggling
    High · 9.1 CVE-2025-47776 < 2.27.2 2.27.2
  19. Mantis Bug Tracker (MantisBT) allows user account takeover in the signup/reset password process
    High · 7.3 CVE-2024-34077 < 2.26.2 2.26.2
  20. MantisBT Host Header Injection vulnerability
    High · 8.3 CVE-2024-23830 < 2.26.1 2.26.1
  21. MantisBT Incorrect Authorization for bug_revision_view_page.php check
    High · 7.5 CVE-2020-35849 < 2.24.4 2.24.4
  22. MantisBT Remote Code Execution
    High · 7.2 CVE-2019-15715 < 1.3.20, >= 2.0.0, < 2.22.1 1.3.20, 2.22.1
  23. MantisBT allows arbitrary password reset
    High · 8.8 CVE-2017-7615 >= 1.3.0-rc.2, < 1.3.10, >= 2.0.0, < 2.2.4, >= 2.3.0, < 2.3.1 1.3.10, 2.2.4, 2.3.1
  24. MantisBT Insufficient Session Expiration cookie string not reset after logout
    High · 8.1 CVE-2009-20001 < 2.24.5 2.24.5
  25. MantisBT CSV Injection unprivileged user access in csv_export.php
    High · 7.8 CVE-2021-43257 < 2.25.3 2.25.3

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