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Medium

XSS vulnerability in theme config file in Mautic

  • Disclosed: 19.01.2021
  • Updated: 11.10.2026 10:22

Impact

Mautic before v2.13.0 has stored XSS via a theme config file.

Patches

Update to 2.13.0 or later.

Workarounds

None.

For more information

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Affected software

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PlatformPackageVulnerable versionsFixed in
Composer package mautic/core < 2.13.0 2.13.0

References

CVSS score 6.1/10
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE)
CWE-79
Platform
Composer
Package
mautic/core
Disclosed
19.01.2021
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-5w74-jx7m-x6hv - 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

Severity:
  1. Mautic has Stored Cross-Site Scripting (XSS) in Projects Component
    High · 7.6 CVE-2026-9809 >= 7.0.0, < 7.1.2 7.1.2
  2. Mautic has an Authorization Bypass in API v2 Endpoints
    High · 7.1 CVE-2026-9808 >= 7.0.0, < 7.1.2 7.1.2
  3. Mautic vulnerable to Path Traversal via Campaign Import
    Critical · 9.9 CVE-2026-9559 >= 7.0.0, < 7.1.2 7.1.2
  4. Mautic has Server-Side Template Injection (SSTI) in Theme Templates
    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. Mautic has SQL Injection in API Contact Filtering
    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. Mautic is Vulnerable to SQL Injection through Contact Activity API Sorting
    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. Mautic user without privileged access to the Marketplace can install and uninstall composer packages
    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. Mautic allows Improper Authorization in Reporting API
    High · 7.7 CVE-2024-47053 >= 1.0.1, < 5.2.3 5.2.3
  9. Mautic allows Remote Code Execution and File Deletion in Asset Uploads
    Critical · 9.1 CVE-2024-47051 < 5.2.3 5.2.3
  10. Mautic vulnerable to Improper Access Control in UI upgrade process
    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. Mautic is vulnerable to XSS vulnerability
    Critical · 9.6 CVE-2020-35125 < 2.16.5, >= 3.0.0, < 3.2.4 2.16.5, 3.2.4
  12. Mautic Sensitive Data Exposure due to inadequate user permission settings
    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. Mautic vulnerable to Relative Path Traversal / Arbitrary File Deletion due to GrapesJS builder
    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. Mautic vulnerable to stored cross-site scripting in description field
    High · 7.6 CVE-2021-27915 >= 1.0.0-beta2, < 4.4.12 4.4.12
  15. Cross-site Scripting vulnerability in Mautic's tracking pixel functionality
    Critical · 9.6 CVE-2022-25772 < 4.3.0 4.3.0
  16. Mautic stored Cross-site Scripting (XSS)
    Critical · 9.0 CVE-2020-35129 < 3.2.4 3.2.4
  17. Mautic stored Cross-site Scripting (XSS)
    Critical · 9.0 CVE-2020-35128 >= 3.2.0, < 3.2.4, >= 2.0.0, < 2.16.5 3.2.4, 2.16.5
  18. Sensitive Cookie Without HttpOnly and Secure Flag
    High · 7.5 CVE-2017-1000046 < 2.1.1 2.1.1
  19. Mautic Cross-Site Request Forgery (CSRF)
    High · 8.8 CVE-2017-8874 = 1.4.1 no fix
  20. Stored XSS vulnerability on Bounce Management Callback
    High · 8.2 CVE-2021-27910 < 3.3.4, >= 4.0.0-alpha1, < 4.0.0 3.3.4, 4.0.0
  21. XSS vulnerability on contacts view
    High · 8.3 CVE-2021-27911 < 3.3.4, >= 4.0.0-alpha1, < 4.0.0 3.3.4, 4.0.0
  22. XSS vulnerability on asset view
    High · 7.1 CVE-2021-27912 < 3.3.4, >= 4.0.0-alpha1, < 4.0.0 3.3.4, 4.0.0
  23. XSS in Mautic
    High CVE-2021-3142 >= 3.0.0, < 3.2.4, >= 2.0.0, < 2.16.5 3.2.4, 2.16.5
  24. Mautic Sessions could be hijacked due to tracking contacts by an auto-incremented ID
    High · 7.5 CVE-2018-10189 < 2.13.0 2.13.0
  25. Disabled users able to log in with third party SSO plugin
    High · 8.1 CVE-2017-1000489 >= 2.0.0, < 2.12.0 2.12.0
  26. XSS vulnerability in theme config file in Mautic this entry
    Medium · 6.1 CVE-2018-8071 < 2.13.0 2.13.0
  27. XSS vulnerability leveraged through referrers could allow un-authorized admin access in Mautic
    Critical CVE-2020-35124 >= 3.0.0, < 3.2.4, >= 2.0.0, < 2.16.5 3.2.4, 2.16.5

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