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Medium

Silverstripe HtmlEditor embed url sanitisation

  • Disclosed: 23.05.2024
  • Updated: 11.10.2026 10:22

"Add from URL" doesn't clearly sanitise URL server side

HtmlEditorField_Toolbar has an action HtmlEditorField_Toolbar#viewfile, which gets called by the CMS when adding a media "from a URL" (i.e. via oembed).

This action gets the URL to add in the GET parameter FileURL. However it doesn't do any URL sanitising server side. The current logic will pass this through to Oembed, which will probably reject most dangerous URLs, but it's possible future changes would break this.

Affected software

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PlatformPackageVulnerable versionsFixed in
Composer package silverstripe/framework >= 3.0.0, < 3.2.1 3.2.1

References

CVSS score 4.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE)
-
Platform
Composer
Package
silverstripe/framework
Disclosed
23.05.2024
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-qp29-wcc2-vmpc - CC BY 4.0

Vulnerability history: silverstripe/framework

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 (93) in the archive
Total entries
93
First → latest
11.2019 08.2026
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • Critical 3
  • High 13
  • Medium 69
  • Low 8

Disclosures per year

Severity:
  1. silverstripe/framework has potential SQL Injection vulnerability in PostgreSQL database connector
    High · 8.8 ghsa-265q-222x-52m6 >= 4.0.0-rc1, < 4.0.6, >= 4.1.0-rc1, < 4.1.4, >= 4.2.0-rc1, < 4.2.3 4.0.6, 4.1.4, 4.2.3
  2. silverstripe/framework has possible denial of service attack vector when flushing
    High · 7.5 ghsa-cwgq-83w5-8jfq >= 4.0.0-rc1, < 4.0.5, >= 4.1.0-rc1, < 4.1.3, >= 4.2.0-rc1, < 4.2.2 4.0.5, 4.1.3, 4.2.2
  3. silverstripe/framework allows upload of dangerous file types
    High · 8.8 ghsa-vcg6-8fxc-x5cq >= 3.6.5-rc1, < 3.6.6, >= 4.0.3-rc1, < 4.0.4, >= 4.1.0-rc1, < 4.1.1 3.6.6, 4.0.4, 4.1.1
  4. silverstripe/framework code execution vulnerability
    High · 7.5 ghsa-vgxh-x8jv-hmff >= 4.0.3-rc1, < 4.0.4, >= 4.1.0-rc1, < 4.1.1 4.0.4, 4.1.1
  5. silverstripe/framework BackURL validation bypass with malformed URLs
    High · 7.5 ghsa-m5q3-mvcr-gc5m >= 4.0.0-rc1, < 4.0.4, >= 4.1.0-rc1, < 4.1.1 4.0.4, 4.1.1
  6. silverstripe/framework SQL injection in full text search
    High · 8.8 ghsa-xx4r-5265-48j6 >= 3.5.0-rc1, < 3.5.6, >= 3.6.0-rc1, < 3.6.3, >= 4.0.0-rc1, < 4.0.1 3.5.6, 3.6.3, 4.0.1
  7. silverstripe/framework CSV Excel Macro Injection
    High · 8.0 ghsa-mqjc-x563-c9q8 >= 3.5.0-rc1, < 3.5.6, >= 3.6.0-rc1, < 3.6.3, >= 4.0.0-rc1, < 4.0.1 3.5.6, 3.6.3, 4.0.1
  8. silverstripe/framework vulnerable to user enumeration via timing attack on login and password reset forms
    High ghsa-7m2v-x7rg-5hm5 >= 3.5.0-rc1, < 3.5.5, >= 3.6.0-rc1, < 3.6.2 3.5.5, 3.6.2
  9. silverstripe/framework's User-Agent header not correctly invalidating user session
    High · 7.5 ghsa-4qx8-j9vh-2628 >= 3.5.0-rc1, < 3.5.6, >= 3.6.0-rc1, < 3.6.3 3.5.6, 3.6.3
  10. Silverstripe Brute force bypass on default admin
    Critical · 9.1 ghsa-8v6m-7f5v-hhx6 >= 3.1.18, < 3.1.19, >= 3.2.3, < 3.2.4, >= 3.3.1, < 3.3.2 3.1.19, 3.2.4, 3.3.2
  11. Silverstripe HtmlEditor embed url sanitisation this entry
    Medium · 4.3 ghsa-qp29-wcc2-vmpc >= 3.0.0, < 3.2.1 3.2.1
  12. Silverstripe X-Forwarded-Host request hostname injection
    High · 7.2 ghsa-25gq-jvx2-vg9x >= 3.1.0, < 3.1.13 3.1.13
  13. Blind SQL Injection via GridFieldSortableHeader
    High · 8.8 CVE-2022-38148 >= 4.0.0, < 4.10.11, >= 4.11.0, < 4.11.14 4.10.11, 4.11.14
  14. Silverstripe CMS information disclosure
    High · 7.5 CVE-2020-6164 >= 4.0.0, < 4.4.7, >= 4.5.0, < 4.5.4 4.4.7, 4.5.4
  15. SilverStripe Folders migrated from 3.x may be unsafe to upload to
    High · 7.5 CVE-2020-9280 >= 4.0.0, < 4.4.6 4.4.6
  16. Silverstripe Framework SQLi Vulnerability
    Critical · 9.8 CVE-2019-5715 >= 3.0.0, < 3.6.7, >= 4.0.0, < 4.0.7, >= 3.7.0, < 3.7.3, >= 4.1.0, < 4.1.5, >= 4.2.0, < 4.2.4, >= 4.3.0, < 4.3.1 3.6.7, 4.0.7, 3.7.3, 4.1.5, 4.2.4, 4.3.1
  17. Missing warning can lead to unauthenticated admin access in SilverStripe
    Critical · 9.8 CVE-2019-12204 >= 4.1.0, < 4.3.5 4.3.5

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