# CVE-2011-4340: Symphony CMS vulnerable to Cross-site Scripting

> Authenticated users with Author privileges can inject arbitrary scripts via profile or filter parameters in Symphony CMS, potentially leading to session hijacking or data modification.

- **Severity:** Low 3.5 (`AV:N/AC:M/Au:S/C:N/I:P/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 12 Feb 2012
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-wvq5-72qp-grjw

## What is CVE-2011-4340?

CVE-2011-4340 is a low-severity cross-site scripting vulnerability in n/a, published on 12 Feb 2012. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

Multiple cross-site scripting (XSS) vulnerabilities in Symphony CMS 2.2.3 and possibly other versions before 2.2.4 allow remote authenticated users with Author privileges to inject arbitrary web script or HTML via (1) the profile parameter to extensions/profiledevkit/content/content.profile.php, as demonstrated via requests to (a) the default URI, (b) about/, or (c) drafts/; or (2) the filter parameter in symphony/lib/core/class.symphony.php, as demonstrated via requests to (d) symphony/publish/comments or (e) symphony/publish/images.  NOTE: some of these details are obtained from third party information.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2011-4340?

2 open source packages ship an affected version, including symphonycms/symphony-2. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `symphonycms/symphony-2` | Packagist | All versions | 2.2.4 |
| `symphonycms/symphony-2` | Packagist | All versions | 2.2.4 |

Products: Symphony-Cms Symphony Cms.

## How do I fix CVE-2011-4340?

Upgrade symphonycms/symphony-2 to 2.2.4 or later.

## Is CVE-2011-4340 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-4340 exists.

Public exploit code:

- Symphony 2.2.3 - '/symphony/publish/images?filter' Cross-Site Scripting (exploitdb)

## Other vulnerabilities in n/a

- [CVE-2024-41613](https://insights.sbomify.com/CVE-2024-41613/): Cross-site scripting in n/a (medium 6.1)
- [CVE-2024-41614](https://insights.sbomify.com/CVE-2024-41614/): Cross-site scripting in n/a (medium 4.8)
- [CVE-2011-4341](https://insights.sbomify.com/CVE-2011-4341/): SQL injection in n/a (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2011-4340 and fix it if it is affected.

What it is: CVE-2011-4340 is a low-severity cross-site scripting vulnerability in n/a, published on 12 Feb 2012. Any signed-in user can exploit it over the network, 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-2011-4340 exists.

Affected packages and fixed versions:
- symphonycms/symphony-2 (Packagist): affected all versions; fixed in 2.2.4
- symphonycms/symphony-2 (Packagist): affected all versions; fixed in 2.2.4

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-2011-4340/ (Markdown: https://insights.sbomify.com/CVE-2011-4340/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2011-4340
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2011-4340
- OSV: https://osv.dev/vulnerability/CVE-2011-4340

---
From sbomify Insights: https://insights.sbomify.com/CVE-2011-4340/
Summaries are generated and may contain mistakes; the official description above is the record.