# CVE-2023-2822: Ellucian Ethos Identity logout cross site scripting

> Remote attackers can execute arbitrary scripts via the logout URL parameter in Ellucian Ethos Identity, potentially compromising user sessions.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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:** No
- **Published:** 20 May 2023
- **Updated:** 12 Feb 2025
- **Also known as:** GHSA-q67p-g93x-788p

## What is CVE-2023-2822?

CVE-2023-2822 is a medium-severity cross-site scripting vulnerability in Ellucian Ethos Identity, published on 20 May 2023. 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 vulnerability was found in Ellucian Ethos Identity up to 5.10.5. It has been classified as problematic. Affected is an unknown function of the file /cas/logout. The manipulation of the argument url leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 5.10.6 is able to address this issue. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-229596.

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

## Which versions are affected by CVE-2023-2822?

It affects 1 product.


Products: Ellucian Ethos Identity.

## How do I fix CVE-2023-2822?

No fix has been published for CVE-2023-2822 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-2822 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2822 exists.

Public exploit code:

- Simple flask application to implement an intentionally vulnerable web app to demo CVE-2023-2822. (github_poc): https://github.com/cberman/CVE-2023-2822-demo
- Ellucian Ethos Identity CAS - Cross-Site Scripting (nuclei): http/cves/2023/CVE-2023-2822.yaml

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-2822 and fix it if it is affected.

What it is: CVE-2023-2822 is a medium-severity cross-site scripting vulnerability in Ellucian Ethos Identity, published on 20 May 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2822 exists.

Affected product: Ellucian Ethos Identity. 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-2023-2822/ (Markdown: https://insights.sbomify.com/CVE-2023-2822/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-2822
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-2822
- OSV: https://osv.dev/vulnerability/CVE-2023-2822

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-2822/
Summaries are generated and may contain mistakes; the official description above is the record.