# CVE-2020-6326: Cross-site scripting in SAP NetWeaver (Knowledge Management)

> An authenticated attacker can inject malicious scripts into SAP NetWeaver Knowledge Management, allowing victims to execute arbitrary JavaScript and access restricted data.

- **Severity:** Medium 5.4 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 9 Sep 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-vp93-pr49-f4r2

## What is CVE-2020-6326?

CVE-2020-6326 is a medium-severity cross-site scripting vulnerability in SAP NetWeaver (Knowledge Management), published on 9 Sep 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

SAP NetWeaver (Knowledge Management), version-7.30,7.31,7.40,7.50, allows an authenticated attacker to create malicious links in the UI, when clicked by victim, will execute arbitrary java scripts thus extracting or modifying information otherwise restricted leading to Stored Cross Site Scripting.

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

## Which versions are affected by CVE-2020-6326?

It affects 1 product.


Products: Sap Netweaver Knowledge Management.

## How do I fix CVE-2020-6326?

No fix has been published for CVE-2020-6326 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-6326 being exploited?

There is no known exploitation of CVE-2020-6326 in the wild and no public exploit code.

## Other vulnerabilities in SAP NetWeaver (Knowledge Management)

- [CVE-2020-6284](https://insights.sbomify.com/CVE-2020-6284/): Cross-site scripting in SAP NetWeaver (Knowledge Management) (critical 9.0)
- [CVE-2020-6293](https://insights.sbomify.com/CVE-2020-6293/): File upload in SAP NetWeaver (Knowledge Management) (high 7.3)
- [CVE-2021-21488](https://insights.sbomify.com/CVE-2021-21488/): Deserialization in SAP NetWeaver Knowledge Management (medium 6.5)
- [CVE-2021-33707](https://insights.sbomify.com/CVE-2021-33707/): Open redirect in SAP NetWeaver (Knowledge Management) (medium 6.1)
- [CVE-2020-6193](https://insights.sbomify.com/CVE-2020-6193/): Cross-site scripting in SAP NetWeaver (Knowledge Management ICE Service) (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-6326 and fix it if it is affected.

What it is: CVE-2020-6326 is a medium-severity cross-site scripting vulnerability in SAP NetWeaver (Knowledge Management), published on 9 Sep 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-6326 in the wild and no public exploit code.

Affected product: SAP NetWeaver (Knowledge Management). 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-2020-6326/ (Markdown: https://insights.sbomify.com/CVE-2020-6326/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-6326
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-6326
- OSV: https://osv.dev/vulnerability/CVE-2020-6326

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-6326/
Summaries are generated and may contain mistakes; the official description above is the record.