# CVE-2017-20176: ciubotaru share-on-diaspora new_window.php cross site scripting

> Remote attackers can inject malicious scripts via the title or url parameters in new_window.php, potentially compromising user sessions.

- **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:** 6 Feb 2023
- **Updated:** 25 Mar 2025
- **Also known as:** GHSA-4vf7-8qf6-f3f9

## What is CVE-2017-20176?

CVE-2017-20176 is a low-severity cross-site scripting vulnerability in ciubotaru share-on-diaspora, published on 6 Feb 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 vulnerability classified as problematic was found in ciubotaru share-on-diaspora 0.7.9. This vulnerability affects unknown code of the file new_window.php. The manipulation of the argument title/url leads to cross site scripting. The attack can be initiated remotely. The name of the patch is fb6fae2f8a9b146471450b5b0281046a17d1ac8d. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-220204.

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

## Which versions are affected by CVE-2017-20176?

It affects 1 product.


Products: Share on Diaspora Project Share on Diaspora.

## How do I fix CVE-2017-20176?

No fix has been published for CVE-2017-20176 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-20176 being exploited?

There is no known exploitation of CVE-2017-20176 in the wild and no public exploit code.

## Other vulnerabilities in ciubotaru share-on-diaspora

- [CVE-2017-18534](https://insights.sbomify.com/CVE-2017-18534/): Cross-site scripting in n/a (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-20176 and fix it if it is affected.

What it is: CVE-2017-20176 is a low-severity cross-site scripting vulnerability in ciubotaru share-on-diaspora, published on 6 Feb 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-2017-20176 in the wild and no public exploit code.

Affected product: ciubotaru share-on-diaspora. 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-2017-20176/ (Markdown: https://insights.sbomify.com/CVE-2017-20176/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-20176
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-20176
- OSV: https://osv.dev/vulnerability/CVE-2017-20176

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-20176/
Summaries are generated and may contain mistakes; the official description above is the record.