# CVE-2008-4103: Other in n/a

> Remote attackers can send spam via the mailto component due to lack of URL validation, affecting Joomla CMS users.

- **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:** Not needed
- **Fix available:** No
- **Published:** 18 Sep 2008
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-rh44-jmrr-67xc

## What is CVE-2008-4103?

CVE-2008-4103 is a medium-severity vulnerability in n/a, published on 18 Sep 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The mailto (aka com_mailto) component in Joomla! 1.5 before 1.5.7 sends e-mail messages without validating the URL, which allows remote attackers to transmit spam.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2008-4103?

It affects 1 product.


Products: Joomla Com Mailto.

## How do I fix CVE-2008-4103?

No fix has been published for CVE-2008-4103 yet. Limit exposure of the affected software until one is available.

## Is CVE-2008-4103 being exploited?

There is no known exploitation of CVE-2008-4103 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2009-1499](https://insights.sbomify.com/CVE-2009-1499/): SQL injection in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2008-4103 and fix it if it is affected.

What it is: CVE-2008-4103 is a medium-severity vulnerability in n/a, published on 18 Sep 2008. 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-2008-4103 in the wild and no public exploit code.

Affected product: n/a. 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-2008-4103/ (Markdown: https://insights.sbomify.com/CVE-2008-4103/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2008-4103
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2008-4103
- OSV: https://osv.dev/vulnerability/CVE-2008-4103

---
From sbomify Insights: https://insights.sbomify.com/CVE-2008-4103/
Summaries are generated and may contain mistakes; the official description above is the record.