# CVE-2013-2259: Code injection in Cryptocat

> An attacker can execute arbitrary code in Firefox via the Cryptocat extension's Conversation Overview feature.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Nov 2019
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-q4qw-x527-p424

## What is CVE-2013-2259?

CVE-2013-2259 is a critical code injection vulnerability in Cryptocat, published on 4 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Cryptocat before 2.0.22 has Arbitrary Code Execution on Firefox Conversation Overview

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2013-2259?

It affects 1 product.


Products: Cryptocat Project Cryptocat.

## How do I fix CVE-2013-2259?

No fix has been published for CVE-2013-2259 yet. Limit exposure of the affected software until one is available.

## Is CVE-2013-2259 being exploited?

There is no known exploitation of CVE-2013-2259 in the wild and no public exploit code.

## Other vulnerabilities in Cryptocat

- [CVE-2013-4108](https://insights.sbomify.com/CVE-2013-4108/): Multiple unspecified vulnerabilities in Cryptocat Project Cryptocat 2.0.18 have unknown impact and attack vectors. (critical 9.8)
- [CVE-2013-2260](https://insights.sbomify.com/CVE-2013-2260/): Weak cryptography in Cryptocat (critical 9.8)
- [CVE-2013-4103](https://insights.sbomify.com/CVE-2013-4103/): Cross-site scripting in n/a (critical 9.8)
- [CVE-2013-4102](https://insights.sbomify.com/CVE-2013-4102/): Weak cryptography in n/a (critical 9.1)
- [CVE-2013-2257](https://insights.sbomify.com/CVE-2013-2257/): Weak cryptography in Cryptocat (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2013-2259 and fix it if it is affected.

What it is: CVE-2013-2259 is a critical code injection vulnerability in Cryptocat, published on 4 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2013-2259 in the wild and no public exploit code.

Affected product: Cryptocat. 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-2013-2259/ (Markdown: https://insights.sbomify.com/CVE-2013-2259/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2013-2259
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2013-2259
- OSV: https://osv.dev/vulnerability/CVE-2013-2259

---
From sbomify Insights: https://insights.sbomify.com/CVE-2013-2259/
Summaries are generated and may contain mistakes; the official description above is the record.