# CVE-2023-30963: Stored XSS in Foundry Slate Query Dropdown menu

> Stored XSS in Foundry Slate allows attackers to execute scripts if CSP is bypassed, requiring an upgrade to Foundry Frontend.

- **Severity:** Medium 5.4 (`CVSS:3.1/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:** 10 Jul 2023
- **Updated:** 21 Oct 2024
- **Also known as:** GHSA-46hm-73m4-wgrq

## What is CVE-2023-30963?

CVE-2023-30963 is a medium-severity cross-site scripting vulnerability in com.palantir.foundry:foundry-frontend, published on 10 Jul 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A security defect was discovered in Foundry Frontend which enabled users to perform Stored XSS attacks in Slate if Foundry's CSP were to be bypassed. This defect was resolved with the release of Foundry Frontend 6.229.0. The service was rolled out to all affected Foundry instances. No further intervention is required.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation), CWE-82 (Improper Neutralization of Script in Attributes of IMG Tags in a Web Page)

## Which versions are affected by CVE-2023-30963?

It affects 1 product.


Products: Palantir Foundry Frontend.

## How do I fix CVE-2023-30963?

No fix has been published for CVE-2023-30963 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-30963 being exploited?

There is no known exploitation of CVE-2023-30963 in the wild and no public exploit code.

## Other vulnerabilities in com.palantir.foundry:foundry-frontend

- [CVE-2023-22835](https://insights.sbomify.com/CVE-2023-22835/): Denial of Service in Foundry Issues (high 7.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-30963 and fix it if it is affected.

What it is: CVE-2023-30963 is a medium-severity cross-site scripting vulnerability in com.palantir.foundry:foundry-frontend, published on 10 Jul 2023. 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-2023-30963 in the wild and no public exploit code.

Affected product: com.palantir.foundry:foundry-frontend. 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-2023-30963/ (Markdown: https://insights.sbomify.com/CVE-2023-30963/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-30963
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-30963
- OSV: https://osv.dev/vulnerability/CVE-2023-30963

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-30963/
Summaries are generated and may contain mistakes; the official description above is the record.