# CVE-2020-27377: Cross-site scripting in n/a

> An attacker can execute arbitrary web scripts via XSS in the CMS Made Simple Administrator panel's Setting News module.

- **Severity:** Medium 4.8 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 1 Jun 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-rwm7-222g-5r52

## What is CVE-2020-27377?

CVE-2020-27377 is a medium-severity cross-site scripting vulnerability in Cmsmadesimple Cms Made Simple, published on 1 Jun 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

A cross-site scripting (XSS) vulnerability was discovered in the Administrator panel on the 'Setting News' module on CMS Made Simple 2.2.14 which allows an attacker to execute arbitrary web scripts.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2020-27377?

It affects 1 product.


Products: Cmsmadesimple Cms Made Simple.

## How do I fix CVE-2020-27377?

No fix has been published for CVE-2020-27377 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-27377 being exploited?

There is no known exploitation of CVE-2020-27377 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-2017-1000453](https://insights.sbomify.com/CVE-2017-1000453/): Code injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-27377 and fix it if it is affected.

What it is: CVE-2020-27377 is a medium-severity cross-site scripting vulnerability in Cmsmadesimple Cms Made Simple, published on 1 Jun 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-27377 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-2020-27377/ (Markdown: https://insights.sbomify.com/CVE-2020-27377/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-27377
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-27377
- OSV: https://osv.dev/vulnerability/CVE-2020-27377

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-27377/
Summaries are generated and may contain mistakes; the official description above is the record.