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Medium

baserCMS has a Cross-site Scripting (XSS) Vulnerability in HTTP 400 Bad Request

  • Disclosed: 24.10.2024
  • Updated: 11.10.2026 10:22

XSS vulnerability in HTTP 400 Bad Request to baserCMS.

Target

baserCMS 5.1.1 and earlier versions

Vulnerability

Malicious code may be executed in HTTP 400 Bad Request.

Countermeasures

Update to the latest version of baserCMS

Please refer to the following page to reference for more information. https://basercms.net/security/JVN_00876083

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package baserproject/basercms < 5.1.2 5.1.2

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
baserproject/basercms
Disclosed
24.10.2024
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-mr7q-fv7j-jcgv - 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 has a Cross-site Scripting (XSS) Vulnerability in HTTP 400 Bad Request this entry
    Medium · 6.1 CVE-2024-46995 < 5.1.2 5.1.2
  8. baserCMS allows any file to be uploaded
    Critical · 9.8 CVE-2023-25655 < 4.7.5 4.7.5
  9. baserCMS File Uploader Remote Code Execution (RCE) vulnerability
    Critical · 9.8 CVE-2023-25654 < 4.7.5 4.7.5
  10. CSRF in baserCMS 3.0.10 and earlier
    High · 8.8 CVE-2016-4881 < 3.0.11 3.0.11
  11. baserCMS Cross Site Request Forgery vulnerability
    High · 8.8 CVE-2016-4878 < 3.0.11 3.0.11
  12. OS Command Injection in baserCMS
    High · 8.8 CVE-2018-0569 >= 4.0.0, <= 4.1.0.1, <= 3.0.15 no fix
  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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