# CVE-2020-36638: Chris92de AdminServ adminserv.php cross site scripting

> Remote attackers can inject malicious scripts via the error argument in AdminServ, potentially leading to session hijacking or code execution.

- **Severity:** Low 3.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/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:** 30 Dec 2022
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-q7hc-wvfj-5xx2

## What is CVE-2020-36638?

CVE-2020-36638 is a low-severity cross-site scripting vulnerability in Chris92de AdminServ, published on 30 Dec 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in Chris92de AdminServ. It has been rated as problematic. This issue affects some unknown processing of the file resources/core/adminserv.php. The manipulation of the argument error leads to cross site scripting. The attack may be initiated remotely. The patch is named 9a45087814295de6fb3a3fe38f96293665234da1. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-217043. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

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

## Which versions are affected by CVE-2020-36638?

It affects 1 product.


Products: Adminserv Project Adminserv.

## How do I fix CVE-2020-36638?

No fix has been published for CVE-2020-36638 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-36638 being exploited?

There is no known exploitation of CVE-2020-36638 in the wild and no public exploit code.

## Other vulnerabilities in Chris92de AdminServ

- [CVE-2020-36637](https://insights.sbomify.com/CVE-2020-36637/): Chris92de AdminServ adminserv.php cross site scripting (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-36638 and fix it if it is affected.

What it is: CVE-2020-36638 is a low-severity cross-site scripting vulnerability in Chris92de AdminServ, published on 30 Dec 2022. 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-2020-36638 in the wild and no public exploit code.

Affected product: Chris92de AdminServ. 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-2020-36638/ (Markdown: https://insights.sbomify.com/CVE-2020-36638/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-36638
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-36638
- OSV: https://osv.dev/vulnerability/CVE-2020-36638

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-36638/
Summaries are generated and may contain mistakes; the official description above is the record.