GetsimplecmsApplication · Get Simple

CVE-2013-10032

HIGH · 8.8 CVSS v3.1 Published 2025-07-25
No fix yet
No fix has been published. The vendor has not shipped a fixed release or patch. You remain exposed.
See remediation →
94/100
Remediation priority · Urgent
Public exploit Remotely reachable Zero-click

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
An authenticated remote code execution vulnerability exists in GetSimpleCMS version 3.2.1. The application’s upload.php endpoint allows authenticated users to upload arbitrary files without proper validation of MIME types or extensions. By uploading a .pht file containing PHP code, an attacker can bypass blacklist-based restrictions and place executable code within the web root. A crafted request using a polyglot or disguised extension allows the attacker to execute the payload by accessing the file directly via the web server. This vulnerability exists due to the use of a blacklist for filtering file types instead of a whitelist.

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-306

A sensitive function is reachable with no authentication at all, so anyone who finds the endpoint can use it. These are routinely discovered by automated scanning. The fix is to require and enforce authentication on every privileged path, with no exceptions left open.

General guidance for the missing authentication 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
GetsimplecmsApplication
Affected:= 3.2.1

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
Recommended fix Moderate confidence

GetSimpleCMS 3.3.0 or later (3.3.1 recommended)

  1. 1. Create a complete backup of the GetSimpleCMS 3.2.1 installation, including all files, database, and configuration.
  2. 2. Download GetSimpleCMS version 3.3.0 or later from the official source (get-simple.info).
  3. 3. Extract the downloaded archive to a local directory.
  4. 4. Upload all new files from the extracted package to the web server, replacing the existing 3.2.1 installation files.
  5. 5. Restore any custom configuration files (such as gsconfig.php) from the backup if they were not included in the new package.
  6. 6. Verify the upload.php file has been updated - the new version should implement whitelist-based file extension checking instead of blacklist.
  7. 7. Test that authenticated file upload functionality works correctly with allowed file types.
  8. 8. Confirm the vulnerability is patched by attempting to upload a file with a .pht extension (should be rejected).
Caveat Standard upgrade - review custom plugins/themes for compatibility with the new version before deploying to production

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

No vendor fix exists Getsimplecms has not published a patch for this.

There is no version to upgrade to and no patch to apply. Every affected install stays exposed until the vendor ships a fix — or somebody else builds one.

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Free · runs locally
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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-2013-10032 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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