# CVE-2020-27193: Improper Neutralization of Input During Web Page Generation in CKEditor4

> Remote attackers can execute arbitrary web script by tricking users into pasting crafted HTML into the CKEditor Color Dialog plugin.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 12 Nov 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-4m44-5j2g-xf64

## What is CVE-2020-27193?

CVE-2020-27193 is a medium-severity cross-site scripting vulnerability in Oracle Agile Product Lifecycle Management, published on 12 Nov 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A cross-site scripting (XSS) vulnerability in the Color Dialog plugin for CKEditor 4.15.0 allows remote attackers to run arbitrary web script after persuading a user to copy and paste crafted HTML code into one of editor inputs.

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

## Which versions are affected by CVE-2020-27193?

2 open source packages ship an affected version, including ckeditor4. It affects 9 products.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `ckeditor4` | npm | All versions | 4.15.1 |
| `ckeditor4` | npm | All versions | 4.15.1 |

Products: Ckeditor Ckeditor, Oracle Agile Product Lifecycle Management, Oracle Application Express, Oracle Banking Party Management, Oracle Banking Platform, Oracle Commerce Merchandising, Oracle Financial Services Analytical Applications Infrastructure, Oracle Jd Edwards Enterpriseone Tools, Oracle Peoplesoft Enterprise Peopletools.

## How do I fix CVE-2020-27193?

Upgrade ckeditor4 to 4.15.1 or later.

## Is CVE-2020-27193 being exploited?

There is no known exploitation of CVE-2020-27193 in the wild and no public exploit code.

## Other vulnerabilities in Oracle Agile Product Lifecycle Management

- [CVE-2023-31541](https://insights.sbomify.com/CVE-2023-31541/): File upload in n/a (critical 9.8)
- [CVE-2021-41164](https://insights.sbomify.com/CVE-2021-41164/): Advanced Content Filter (ACF) vulnerability allowing to execute JavaScript code using malformed HTML (high 8.2)
- [CVE-2021-41165](https://insights.sbomify.com/CVE-2021-41165/): HTML comments vulnerability allowing to execute JavaScript code (high 8.2)
- [CVE-2021-32808](https://insights.sbomify.com/CVE-2021-32808/): Cross-site scripting in ckeditor via abuse of undo functionality (high 7.6)
- [CVE-2011-4972](https://insights.sbomify.com/CVE-2011-4972/): Missing authorization in CKEditor Drupal module (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-27193 and fix it if it is affected.

What it is: CVE-2020-27193 is a medium-severity cross-site scripting vulnerability in Oracle Agile Product Lifecycle Management, published on 12 Nov 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-27193 in the wild and no public exploit code.

Affected packages and fixed versions:
- ckeditor4 (npm): affected all versions; fixed in 4.15.1
- ckeditor4 (npm): affected all versions; fixed in 4.15.1

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-2020-27193/ (Markdown: https://insights.sbomify.com/CVE-2020-27193/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-27193
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-27193
- OSV: https://osv.dev/vulnerability/CVE-2020-27193

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-27193/
Summaries are generated and may contain mistakes; the official description above is the record.