High

XSS in Mautic

  • Disclosed: 29.01.2021
  • Updated: 11.10.2026 10:22

Impact

This is a cross-site scripting vulnerability relating to creating/editing a company which requires the user to be logged in as an administrator to be executed.

This vulnerability was reported by Dardan Prebreza at Bishop Fox.

Patches

Upgrade to 3.2.4 or 2.16.5.

Link to patch for 2.x versions: https://github.com/mautic/mautic/compare/2.16.4...2.16.5.diff

Link to patch for 3.x versions: https://github.com/mautic/mautic/compare/3.2.2...3.2.4.diff

Workarounds

None

References

https://www.mautic.org/blog/community/security-release-all-versions-mautic-prior-2-16-5-and-3-2-4

For more information

If you have any questions or comments about this advisory:

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package mautic/core >= 3.0.0, < 3.2.4, >= 2.0.0, < 2.16.5 3.2.4, 2.16.5

References

CVSS score -
Weakness (CWE)
CWE-79
Platform
Composer
Package
mautic/core
Disclosed
29.01.2021
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-p7v4-gm6j-cw9m - CC BY 4.0

Vulnerability history: mautic/core

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 (57) in the archive
Total entries
57
First → latest
01.2021 07.2026
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • Critical 9
  • High 17
  • Medium 29
  • Low 2

Disclosures per year

  1. 2021: 16
  2. 2022: 7
  3. 2023: 0
  4. 2024: 13
  5. 2025: 13
  6. 2026: 8
Severity:
  1. High · 7.6 CVE-2026-9809 >= 7.0.0, < 7.1.2 7.1.2
  2. High · 7.1 CVE-2026-9808 >= 7.0.0, < 7.1.2 7.1.2
  3. Critical · 9.9 CVE-2026-9559 >= 7.0.0, < 7.1.2 7.1.2
  4. Critical · 9.9 CVE-2026-9558 >= 1.3.0, >= 5.0.0, < 5.2.11, >= 6.0.0, < 6.0.9, >= 7.0.0, < 7.1.2 5.2.11, 6.0.9, 7.1.2
  5. High · 7.1 CVE-2026-4776 >= 2.6.0, <= 4.4.13, >= 5.0.0, < 5.2.11, >= 6.0.0, < 6.0.9, >= 7.0.0, < 7.1.2 5.2.11, 6.0.9, 7.1.2
  6. High · 7.6 CVE-2026-3105 >= 2.10.0, < 5.2.10, >= 6.0.0-alpha, < 6.0.8, >= 7.0.0-alpha, < 7.0.1 5.2.10, 6.0.8, 7.0.1
  7. Critical CVE-2025-13828 >= 4.0.0, < 4.4.18, >= 5.0.0, < 5.2.9, >= 6.0.0, < 6.0.7 4.4.18, 5.2.9, 6.0.7
  8. High · 7.7 CVE-2024-47053 >= 1.0.1, < 5.2.3 5.2.3
  9. Critical · 9.1 CVE-2024-47051 < 5.2.3 5.2.3
  10. High · 7.0 CVE-2022-25768 >= 1.1.3, < 4.4.13, >= 5.0.0-alpha, < 5.1.1 4.4.13, 5.1.1
  11. Critical · 9.6 CVE-2020-35125 < 2.16.5, >= 3.0.0, < 3.2.4 2.16.5, 3.2.4
  12. High · 8.3 CVE-2022-25776 >= 1.0.2, < 4.4.12, >= 5.0.0-alpha, < 5.0.4 4.4.12, 5.0.4
  13. High · 8.1 CVE-2021-27916 >= 3.3.0, < 4.4.12, >= 5.0.0-alpha, < 5.0.4 4.4.12, 5.0.4
  14. High · 7.6 CVE-2021-27915 >= 1.0.0-beta2, < 4.4.12 4.4.12
  15. Critical · 9.0 CVE-2020-35129 < 3.2.4 3.2.4
  16. Critical · 9.0 CVE-2020-35128 >= 3.2.0, < 3.2.4, >= 2.0.0, < 2.16.5 3.2.4, 2.16.5
  17. High · 7.5 CVE-2017-1000046 < 2.1.1 2.1.1
  18. High · 8.8 CVE-2017-8874 = 1.4.1 no fix
  19. High · 8.2 CVE-2021-27910 < 3.3.4, >= 4.0.0-alpha1, < 4.0.0 3.3.4, 4.0.0
  20. High · 8.3 CVE-2021-27911 < 3.3.4, >= 4.0.0-alpha1, < 4.0.0 3.3.4, 4.0.0
  21. High · 7.1 CVE-2021-27912 < 3.3.4, >= 4.0.0-alpha1, < 4.0.0 3.3.4, 4.0.0
  22. XSS in Mautic this entry
    High CVE-2021-3142 >= 3.0.0, < 3.2.4, >= 2.0.0, < 2.16.5 3.2.4, 2.16.5
  23. High · 8.1 CVE-2017-1000489 >= 2.0.0, < 2.12.0 2.12.0
  24. Critical CVE-2020-35124 >= 3.0.0, < 3.2.4, >= 2.0.0, < 2.16.5 3.2.4, 2.16.5

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application
DockRay newsletter

Application security in your inbox

Important vulnerabilities, actionable guidance and practical advice for your applications. Choose your technologies and follow what matters to your project.

  • A daily digest of new vulnerabilities, critical ones included.
  • Notifications about important updates.
  • Practical advice on application security and monitoring.

Leave empty to receive updates for every technology.

Free to subscribe. Unsubscribe with one click in any email.