# CVE-2022-4587: Opencaching Deutschland oc-server3 Login Page login.tpl cross site scripting

> Remote attackers can execute arbitrary scripts via the username field on the login page, 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:** 17 Dec 2022
- **Updated:** 15 Apr 2025
- **Also known as:** GHSA-w8rr-xg77-6mj9

## What is CVE-2022-4587?

CVE-2022-4587 is a medium-severity cross-site scripting vulnerability in Opencaching Deutschland oc-server3, published on 17 Dec 2022. 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, which was classified as problematic, has been found in Opencaching Deutschland oc-server3. This issue affects some unknown processing of the file htdocs/templates2/ocstyle/login.tpl of the component Login Page. The manipulation of the argument username leads to cross site scripting. The attack may be initiated remotely. The name of the patch is 3296ebd61e7fe49e93b5755d5d7766d6e94a7667. It is recommended to apply a patch to fix this issue. The identifier VDB-216173 was assigned to this vulnerability.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation), CWE-707 (Improper Neutralization)

## Which versions are affected by CVE-2022-4587?

It affects 1 product.


Products: Oc-Server3 Project Oc-Server3.

## How do I fix CVE-2022-4587?

No fix has been published for CVE-2022-4587 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-4587 being exploited?

There is no known exploitation of CVE-2022-4587 in the wild and no public exploit code.

## Other vulnerabilities in Opencaching Deutschland oc-server3

- [CVE-2022-4585](https://insights.sbomify.com/CVE-2022-4585/): Opencaching Deutschland oc-server3 Cookie start.tpl cross site scripting (low 3.5)
- [CVE-2022-4586](https://insights.sbomify.com/CVE-2022-4586/): Opencaching Deutschland oc-server3 Cachelist cachelists.tpl cross site scripting (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-4587 and fix it if it is affected.

What it is: CVE-2022-4587 is a medium-severity cross-site scripting vulnerability in Opencaching Deutschland oc-server3, published on 17 Dec 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2022-4587 in the wild and no public exploit code.

Affected product: Opencaching Deutschland oc-server3. 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-2022-4587/ (Markdown: https://insights.sbomify.com/CVE-2022-4587/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-4587
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-4587
- OSV: https://osv.dev/vulnerability/CVE-2022-4587

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-4587/
Summaries are generated and may contain mistakes; the official description above is the record.