# CVE-2017-1000453: Code injection in n/a

> Unauthenticated attackers can execute arbitrary PHP code via Smarty templating injection in CMS Made Simple core modules.

- **Severity:** Critical 9.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Jan 2018
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-xx5v-rc7c-r83c

## What is CVE-2017-1000453?

CVE-2017-1000453 is a critical code injection vulnerability in Cmsmadesimple Cms Made Simple, published on 2 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

CMS Made Simple version 2.1.6 and 2.2 are vulnerable to Smarty templating injection in some core modules, resulting in unauthenticated PHP code execution.

Weakness: CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2017-1000453?

It affects 1 product.


Products: Cmsmadesimple Cms Made Simple.

## How do I fix CVE-2017-1000453?

No fix has been published for CVE-2017-1000453 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-1000453 being exploited?

There is no known exploitation of CVE-2017-1000453 in the wild and no public exploit code.

## Other vulnerabilities in Cmsmadesimple Cms Made Simple

- [CVE-2010-4663](https://insights.sbomify.com/CVE-2010-4663/): Other in n/a (critical 10.0)
- [CVE-2024-1527](https://insights.sbomify.com/CVE-2024-1527/): Unrestricted Upload of File with Dangerous Type in CMS Made Simple (critical 9.8)
- [CVE-2018-10081](https://insights.sbomify.com/CVE-2018-10081/): Auth bypass in n/a (critical 9.8)
- [CVE-2018-10085](https://insights.sbomify.com/CVE-2018-10085/): Deserialization in n/a (critical 9.8)
- [CVE-2017-17734](https://insights.sbomify.com/CVE-2017-17734/): Information disclosure in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-1000453 and fix it if it is affected.

What it is: CVE-2017-1000453 is a critical code injection vulnerability in Cmsmadesimple Cms Made Simple, published on 2 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2017-1000453 in the wild and no public exploit code.

Affected product: Cmsmadesimple Cms Made Simple. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2017-1000453/ (Markdown: https://insights.sbomify.com/CVE-2017-1000453/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-1000453
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-1000453
- OSV: https://osv.dev/vulnerability/CVE-2017-1000453

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-1000453/
Summaries are generated and may contain mistakes; the official description above is the record.