# CVE-2020-11007: Negative charge in shopping cart possible in Shopizer

> Attackers can manipulate shopping cart quantities to create negative totals, leading to financial loss or fraudulent orders in Shopizer e-commerce platforms.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 16 Apr 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-w8rc-pgxq-x2cj

## What is CVE-2020-11007?

CVE-2020-11007 is a medium-severity vulnerability in shopizer-ecommerce shopizer, published on 16 Apr 2020. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

In Shopizer before version 2.11.0, using API or Controller based versions negative quantity is not adequately validated hence creating incorrect shopping cart and order total. This vulnerability makes it possible to create a negative total in the shopping cart. This has been patched in version 2.11.0.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2020-11007?

2 open source packages ship an affected version, including com.shopizer:sm-core-model. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `com.shopizer:sm-core-model` | Maven | All versions | 2.11.0 |
| `com.shopizer:sm-core-model` | Maven | All versions | 2.11.0 |

Products: Shopizer Shopizer.

## How do I fix CVE-2020-11007?

Upgrade com.shopizer:sm-core-model to 2.11.0 or later.

## Is CVE-2020-11007 being exploited?

There is no known exploitation of CVE-2020-11007 in the wild and no public exploit code.

## Other vulnerabilities in shopizer-ecommerce shopizer

- [CVE-2020-11006](https://insights.sbomify.com/CVE-2020-11006/): Potential remote code execution in Shopizer (critical 9.1)
- [CVE-2022-23063](https://insights.sbomify.com/CVE-2022-23063/): Shopizer - Insufficient Session Expiration (high 8.8)
- [CVE-2025-51605](https://insights.sbomify.com/CVE-2025-51605/): Security feature bypass in n/a (high 8.1)
- [CVE-2014-4963](https://insights.sbomify.com/CVE-2014-4963/): Missing authorization in n/a (medium 6.8)
- [CVE-2014-4964](https://insights.sbomify.com/CVE-2014-4964/): Cross-site request forgery in n/a (medium 6.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-11007 and fix it if it is affected.

What it is: CVE-2020-11007 is a medium-severity vulnerability in shopizer-ecommerce shopizer, published on 16 Apr 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-11007 in the wild and no public exploit code.

Affected packages and fixed versions:
- com.shopizer:sm-core-model (Maven): affected all versions; fixed in 2.11.0
- com.shopizer:sm-core-model (Maven): affected all versions; fixed in 2.11.0

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-2020-11007/ (Markdown: https://insights.sbomify.com/CVE-2020-11007/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-11007
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-11007
- OSV: https://osv.dev/vulnerability/CVE-2020-11007

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-11007/
Summaries are generated and may contain mistakes; the official description above is the record.