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High

Local File Inclusion by unauthenticated users

  • Disclosed: 23.11.2020
  • Updated: 11.10.2026 10:22

Impact

An attacker can exploit this vulnerability to read local files on an October CMS server. The vulnerability is exploitable by unauthenticated users via a specially crafted request.

Patches

Issue has been patched in Build 469 (v1.0.469) and v1.1.0.

Workarounds

Apply https://github.com/octobercms/library/commit/80aab47f044a2660aa352450f55137598f362aa4 to your installation manually if unable to upgrade to Build 469.

References

Reported by ka1n4t

For more information

If you have any questions or comments about this advisory:

Threat assessment:

<img width="1105" alt="Screen Shot 2020-10-10 at 1 05 19 PM" src="https://user-images.githubusercontent.com/7253840/95663086-4ffc4780-0af9-11eb-9bb6-fd40cf11c033.png">

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package october/cms >= 1.0.421, < 1.0.469 1.0.469

References

CVSS score 7.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-22, CWE-863
Platform
Composer
Package
october/cms
Disclosed
23.11.2020
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-xwjr-6fj7-fc6h - CC BY 4.0

Vulnerability history: october/cms

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
8
First → latest
06.2020 05.2022
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • High 2
  • Medium 4
  • Low 2

Disclosures per year

  1. October CMS PHP Code Execution
    High · 7.2 CVE-2017-1000119 <= 1.0.412 no fix
  2. Bypass of fix for CVE-2020-26231, Twig sandbox escape
    Medium · 5.2 CVE-2021-21264 >= 1.0.471, < 1.0.472, >= 1.1.1, < 1.1.2 1.0.472, 1.1.2
  3. Bypass of fix for CVE-2020-15247, Twig sandbox escape
    Low · 5.2 CVE-2020-26231 >= 1.0.469, < 1.0.470 1.0.470
  4. Twig Sandbox Escape by authenticated users with access to editing CMS templates when safemode is enabled.
    Medium · 5.2 CVE-2020-15247 >= 1.0.319, < 1.0.469 1.0.469
  5. Local File Inclusion by unauthenticated users this entry
    High · 7.5 CVE-2020-15246 >= 1.0.421, < 1.0.469 1.0.469
  6. Upload whitelisted files to any directory in OctoberCMS
    Low · 3.4 CVE-2020-5297 >= 1.0.319, < 1.0.466 1.0.466
  7. Arbitrary File Deletion vulnerability in OctoberCMS
    Medium · 6.2 CVE-2020-5296 >= 1.0.319, < 1.0.466 1.0.466
  8. Local File read vulnerability in OctoberCMS
    Medium · 4.8 CVE-2020-5295 >= 1.0.319, < 1.0.466 1.0.466

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