# CVE-2024-9285: Tu Yafeng Via Browser Javascript Bridge cross site scripting

> Remote attackers can execute arbitrary JavaScript via the Javascript Bridge in Via Browser, potentially compromising user sessions or data.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA: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:** 27 Feb 2025
- **Updated:** 27 Feb 2025
- **Also known as:** GHSA-fr54-2qgg-4whr

## What is CVE-2024-9285?

CVE-2024-9285 is a medium-severity cross-site scripting vulnerability in Tu Yafeng Via Browser, published on 27 Feb 2025. 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 was found in Tu Yafeng Via Browser up to 5.9.0 on Android. It has been rated as problematic. This issue affects some unknown processing of the component Javascript Bridge. The manipulation leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue.

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-2024-9285?


## How do I fix CVE-2024-9285?

No fix has been published for CVE-2024-9285 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-9285 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-9285 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-9285 and fix it if it is affected.

What it is: CVE-2024-9285 is a medium-severity cross-site scripting vulnerability in Tu Yafeng Via Browser, published on 27 Feb 2025. An attacker can exploit it over the internet without logging in, 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-2024-9285 exists.

Affected product: Tu Yafeng Via Browser. 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-2024-9285/ (Markdown: https://insights.sbomify.com/CVE-2024-9285/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-9285
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-9285
- OSV: https://osv.dev/vulnerability/CVE-2024-9285

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-9285/
Summaries are generated and may contain mistakes; the official description above is the record.