# CVE-2026-9564: SourceCodester/oretnom23 Hospitals Patient Records Management System view_patient cross site scripting

> Attackers can inject malicious scripts via the Remarks field in the patient view page, potentially compromising user sessions and data.

- **Severity:** Medium 4.8 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **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:** 26 May 2026
- **Updated:** 26 May 2026
- **Also known as:** GHSA-hjcg-j78j-2g64

## What is CVE-2026-9564?

CVE-2026-9564 is a medium-severity cross-site scripting vulnerability in SourceCodester Hospitals Patient Records Management System, published on 26 May 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

A vulnerability was found in SourceCodester/oretnom23 Hospitals Patient Records Management System 1.0. The impacted element is an unknown function of the file /admin/?page=patients/view_patient. Performing a manipulation of the argument Remarks results in cross site scripting. Remote exploitation of the attack is possible. The exploit has been made public and could be used.

Weakness: CWE-94 (Improper Control of Generation of Code), CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-9564?


## How do I fix CVE-2026-9564?

No fix has been published for CVE-2026-9564 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-9564 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9564 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-9564 and fix it if it is affected.

What it is: CVE-2026-9564 is a medium-severity cross-site scripting vulnerability in SourceCodester Hospitals Patient Records Management System, published on 26 May 2026. An attacker needs administrator access to exploit it, 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-2026-9564 exists.

Affected product: SourceCodester Hospitals Patient Records Management System. 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-2026-9564/ (Markdown: https://insights.sbomify.com/CVE-2026-9564/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-9564
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-9564
- OSV: https://osv.dev/vulnerability/CVE-2026-9564

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-9564/
Summaries are generated and may contain mistakes; the official description above is the record.