Sign in
Deutsch English Español Polski
Critical

baserCMS has OS command injection vulnerability in installer

  • Disclosed: 31.03.2026
  • Updated: 11.10.2026 10:22

baserCMS has an OS command injection vulnerability in the installer.

Target

baserCMS 5.2.2 and earlier versions

Vulnerability

If baserCMS is placed on a server but not installed, malicious commands may be executed.

Countermeasures

Update to the latest version of baserCMS

Please refer to the following page to reference for more information. https://basercms.net/security/JVN_54513170

Credits

REN XINGDIAN

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package baserproject/basercms < 5.2.3 5.2.3

References

CVSS score -
CVSS vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-78
Platform
Composer
Package
baserproject/basercms
Disclosed
31.03.2026
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-6hpg-8rx3-cwgv - 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 this entry
    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 SQL Injection vulnerability
    Critical · 9.8 CVE-2017-10842 < 3.0.15, >= 4.0.0, < 4.0.6 3.0.15, 4.0.6
  13. Code Injection in baserCMS
    High · 8.8 CVE-2017-10844 <= 3.0.14, >= 4.0.0, <= 4.0.5 no fix
  14. 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
  15. 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
  16. CSRF in baserCMS 3.0.10 and earlier
    High · 8.8 CVE-2016-4879 <= 3.0.10 no fix
  17. RCE in baserCMS before 4.1.4
    High · 7.2 CVE-2018-18942 < 4.1.4 4.1.4
  18. OS Command Injection Vulnerability and Potential Zip Slip Vulnerability in baserCMS
    Critical · 9.1 CVE-2021-41243 < 4.5.4 4.5.4
  19. Potential Zip Slip Vulnerability in baserCMS
    High · 7.7 CVE-2021-41279 < 4.5.4 4.5.4
  20. Cross-site scripting vulnerability in file upload
    High · 8.7 CVE-2021-39136 < 4.5.1 4.5.1
Show more (2) Showing 20 of 22

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.

Privacy policy

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