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OctoberApplication · Octobercms

CVE-2021-32650

HIGH · 8.8 CVSS v3.1 Published 2022-01-14
Patch available
A vendor patch is available. No clean upgrade release — apply the published patch.
See remediation →
94/100
Remediation priority · Urgent
Public exploit Remotely reachable Zero-click Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
October CMS is a self-hosted content management system (CMS) platform based on the Laravel PHP Framework. Prior to versions 1.0.473 and 1.1.6, an attacker with access to the backend is able to execute PHP code by using the theme import feature. This will bypass the safe mode feature that prevents PHP execution in the CMS templates.The issue has been patched in Build 473 (v1.0.473) and v1.1.6. Those unable to upgrade may apply the patch to their installation manually as a workaround.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis
How this class of weakness works · CWE-74

Untrusted input crosses into a downstream interpreter — SQL, a shell, an HTML page, an LDAP query — without being kept separate from the commands around it, so the attacker's data is read as instructions. This is the parent class behind SQL injection, cross-site scripting, and command injection alike. The durable fix is the same everywhere: keep data and code apart at every boundary, using parameterisation or context-aware encoding rather than building interpreted strings by concatenation.

General guidance for the injection class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
OctoberApplication
Affected:= 1.0.472= 1.1.5

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Patch available Apply the vendor patch
Vendor patch github.com →
Recommended fix High confidence

October CMS 1.0.473 or 1.1.6 (depending on your branch)

  1. 1. Backup your October CMS installation and database before proceeding with any upgrade
  2. 2. Identify your current October CMS version (1.0.x or 1.1.x branch)
  3. 3. If using version 1.0.x branch (currently at 1.0.472), upgrade to version 1.0.473
  4. 4. If using version 1.1.x branch (currently at 1.1.5), upgrade to version 1.1.6
  5. 5. Use the October CMS update mechanism (october:up artisan command or platform update feature) to apply the upgrade
  6. 6. Clear any cached data (php artisan cache:clear)
  7. 7. Verify backend access and test that the theme import feature works correctly
  8. 8. Confirm the safe mode protection is now enforced on theme imports
Caveat Standard upgrade precautions apply - backup first; minor version upgrades typically have minimal breaking changes

Generated from the published advisory — verify against the referenced sources before acting.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2021-32650 in production — separate from our analysis above.

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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