# CVE-2007-0242: Cross-site scripting in n/a

> Remote attackers can exploit a UTF-8 decoding flaw in Qt to perform cross-site scripting and directory traversal attacks.

- **Severity:** Medium 4.3 (`AV:N/AC:M/Au:N/C:N/I:P/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:** 3 Apr 2007
- **Updated:** 7 Aug 2024
- **Also known as:** DSA-1292-1, GHSA-4hj5-9h7j-98c6

## What is CVE-2007-0242?

CVE-2007-0242 is a medium-severity cross-site scripting vulnerability in Qt Qt, published on 3 Apr 2007. 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 UTF-8 decoder in codecs/qutfcodec.cpp in Qt 3.3.8 and 4.2.3 does not reject long UTF-8 sequences as required by the standard, which allows remote attackers to conduct cross-site scripting (XSS) and directory traversal attacks via long sequences that decode to dangerous metacharacters.

## Which versions are affected by CVE-2007-0242?

It affects 1 product.


Products: Qt Qt.

## How do I fix CVE-2007-0242?

Upgrade to a fixed version.

## Is CVE-2007-0242 being exploited?

There is no known exploitation of CVE-2007-0242 in the wild and no public exploit code.

## Other vulnerabilities in Qt Qt

- [CVE-2020-12267](https://insights.sbomify.com/CVE-2020-12267/): Use after free in n/a (critical 9.8)
- [CVE-2017-10904](https://insights.sbomify.com/CVE-2017-10904/): Command injection in Qt for Android (critical 9.8)
- [CVE-2011-3194](https://insights.sbomify.com/CVE-2011-3194/): Memory corruption in n/a (critical 9.3)
- [CVE-2022-40983](https://insights.sbomify.com/CVE-2022-40983/): Integer overflow in Qt (high 8.8)
- [CVE-2022-43591](https://insights.sbomify.com/CVE-2022-43591/): Memory corruption in Qt (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2007-0242 and fix it if it is affected.

What it is: CVE-2007-0242 is a medium-severity cross-site scripting vulnerability in Qt Qt, published on 3 Apr 2007. 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-2007-0242 in the wild and no public exploit code.

Affected product: Qt Qt. 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-2007-0242/ (Markdown: https://insights.sbomify.com/CVE-2007-0242/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2007-0242
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2007-0242
- OSV: https://osv.dev/vulnerability/CVE-2007-0242

---
From sbomify Insights: https://insights.sbomify.com/CVE-2007-0242/
Summaries are generated and may contain mistakes; the official description above is the record.