# CVE-2015-7215: Information disclosure in n/a

> Remote attackers can bypass Same Origin Policy in Firefox Web Workers to disclose sensitive information via fetch API exceptions.

- **Severity:** Medium 5.0 (`AV:N/AC:L/Au:N/C:P/I:N/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:** Yes
- **Published:** 16 Dec 2015
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-x63v-c8hj-q3pw, UBUNTU-CVE-2015-7215

## What is CVE-2015-7215?

CVE-2015-7215 is a medium-severity vulnerability in Fedoraproject Fedora, published on 16 Dec 2015. 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

The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the fetch API to attempt resource access that throws an exception, leading to information disclosure after a rethrow.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2015-7215?

It affects 4 products.


Products: Fedoraproject Fedora, Mozilla Firefox, Opensuse Leap, Opensuse Opensuse.

## How do I fix CVE-2015-7215?

Upgrade to a fixed version.

## Is CVE-2015-7215 being exploited?

There is no known exploitation of CVE-2015-7215 in the wild and no public exploit code.

## Other vulnerabilities in Fedoraproject Fedora

- [CVE-2024-4577](https://insights.sbomify.com/CVE-2024-4577/): PHP-CGI OS Command Injection (critical 9.8, exploited in the wild)
- [CVE-2021-39226](https://insights.sbomify.com/CVE-2021-39226/): Grafana Authentication Bypass (critical 9.8, exploited in the wild)
- [CVE-2019-5544](https://insights.sbomify.com/CVE-2019-5544/): VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow (critical 9.8, exploited in the wild)
- [CVE-2024-4947](https://insights.sbomify.com/CVE-2024-4947/): Google Chromium V8 Type Confusion (critical 9.6, exploited in the wild)
- [CVE-2024-4671](https://insights.sbomify.com/CVE-2024-4671/): Google Chromium Visuals Use-After-Free (critical 9.6, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2015-7215 and fix it if it is affected.

What it is: CVE-2015-7215 is a medium-severity vulnerability in Fedoraproject Fedora, published on 16 Dec 2015. 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-2015-7215 in the wild and no public exploit code.

Affected product: Fedoraproject Fedora. 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-2015-7215/ (Markdown: https://insights.sbomify.com/CVE-2015-7215/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2015-7215
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2015-7215
- OSV: https://osv.dev/vulnerability/CVE-2015-7215

---
From sbomify Insights: https://insights.sbomify.com/CVE-2015-7215/
Summaries are generated and may contain mistakes; the official description above is the record.