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Medium

baserCMS arbitrary file upload vulnerability

  • Disclosed: 14.05.2022
  • Updated: 11.10.2026 10:22

baserCMS (baserCMS 4.1.0.1 and earlier versions, baserCMS 3.0.15 and earlier versions) allows remote attackers with a site operator privilege to upload arbitrary files.

Affected software

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PlatformPackageVulnerable versionsFixed in
Composer package baserproject/basercms >= 4.0.0, < 4.1.1, < 3.0.16 4.1.1, 3.0.16

References

CVSS score 4.3/10
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE)
CWE-434
Platform
Composer
Package
baserproject/basercms
Disclosed
14.05.2022
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-3mcp-6rv6-c69g - CC BY 4.0

Vulnerability history: baserproject/basercms

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 (56) in the archive
Total entries
56
First → latest
08.2020 03.2026
Without a fix
7
Exploited in attacks
0

Severity breakdown

  • Critical 7
  • High 15
  • Medium 29
  • Low 5

Disclosures per year

Severity:
  1. baserCMS is Vulnerable to Cross-site Scripting
    High · 7.1 CVE-2026-32734 < 5.2.3 5.2.3
  2. baserCMS Path Traversal Leads to Arbitrary File Write and RCE via Theme File API
    High · 7.2 CVE-2026-30940 < 5.2.3 5.2.3
  3. baserCMS has OS command injection vulnerability in installer
    Critical CVE-2026-30880 < 5.2.3 5.2.3
  4. baserCMS Update Functionality Vulnerable to OS Command Injection
    Critical · 9.1 CVE-2026-30877 < 5.2.3 5.2.3
  5. baserCMS has OS Command Injection Leading to Remote Code Execution (RCE)
    Critical · 9.1 CVE-2026-21861 < 5.2.3 5.2.3
  6. baserCMS has Unsafe File Upload Leading to Remote Code Execution (RCE)
    High · 8.7 CVE-2025-32957 < 5.2.3 5.2.3
  7. baserCMS allows any file to be uploaded
    Critical · 9.8 CVE-2023-25655 < 4.7.5 4.7.5
  8. baserCMS File Uploader Remote Code Execution (RCE) vulnerability
    Critical · 9.8 CVE-2023-25654 < 4.7.5 4.7.5
  9. CSRF in baserCMS 3.0.10 and earlier
    High · 8.8 CVE-2016-4881 < 3.0.11 3.0.11
  10. baserCMS Cross Site Request Forgery vulnerability
    High · 8.8 CVE-2016-4878 < 3.0.11 3.0.11
  11. OS Command Injection in baserCMS
    High · 8.8 CVE-2018-0569 >= 4.0.0, <= 4.1.0.1, <= 3.0.15 no fix
  12. baserCMS arbitrary file upload vulnerability this entry
    Medium · 4.3 CVE-2018-0571 >= 4.0.0, < 4.1.1, < 3.0.16 4.1.1, 3.0.16
  13. baserCMS SQL Injection vulnerability
    Critical · 9.8 CVE-2017-10842 < 3.0.15, >= 4.0.0, < 4.0.6 3.0.15, 4.0.6
  14. Code Injection in baserCMS
    High · 8.8 CVE-2017-10844 <= 3.0.14, >= 4.0.0, <= 4.0.5 no fix
  15. baserCMS vulnerable to Access Control Bypass
    High · 8.1 CVE-2018-0572 >= 4.0.0, < 4.1.1, < 3.0.16 4.1.1, 3.0.16
  16. Arbitrary file delete in baserCMS
    High · 7.5 CVE-2017-10843 < 3.0.15, >= 4.0.0, < 4.0.6 3.0.15, 4.0.6
  17. CSRF in baserCMS 3.0.10 and earlier
    High · 8.8 CVE-2016-4879 <= 3.0.10 no fix
  18. RCE in baserCMS before 4.1.4
    High · 7.2 CVE-2018-18942 < 4.1.4 4.1.4
  19. OS Command Injection Vulnerability and Potential Zip Slip Vulnerability in baserCMS
    Critical · 9.1 CVE-2021-41243 < 4.5.4 4.5.4
  20. Potential Zip Slip Vulnerability in baserCMS
    High · 7.7 CVE-2021-41279 < 4.5.4 4.5.4
Show more (3) Showing 20 of 23

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