# CVE-2020-13239: Dolibarr Stored Cross-site Scripting via file upload

> Attackers can execute arbitrary scripts in victim browsers via malicious HTML uploads in the DMS/ECM module, potentially leading to session hijacking.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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:** No
- **Published:** 20 May 2020
- **Updated:** 4 Aug 2024
- **Also known as:** BIT-dolibarr-2020-13239, GHSA-fvf9-2hjp-w936, UBUNTU-CVE-2020-13239

## What is CVE-2020-13239?

CVE-2020-13239 is a medium-severity cross-site scripting vulnerability in Dolibarr Dolibarr Erp\/Crm, published on 20 May 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

The DMS/ECM module in Dolibarr 11.0.4 renders user-uploaded .html files in the browser when the attachment parameter is removed from the direct download link. This causes XSS.

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

## Which versions are affected by CVE-2020-13239?

3 open source packages ship an affected version, including dolibarr/dolibarr and dolibarr. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `dolibarr/dolibarr` | Packagist | All versions | None |
| `dolibarr/dolibarr` | Packagist | All versions | None |
| `dolibarr` | Bitnami | From 11.0.4 to 11.0.4 | None |

Products: Dolibarr Dolibarr Erp\/Crm.

## How do I fix CVE-2020-13239?

No fix has been published for CVE-2020-13239 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-13239 being exploited?

There is no known exploitation of CVE-2020-13239 in the wild and no public exploit code.

## Other vulnerabilities in Dolibarr Dolibarr Erp\/Crm

- [CVE-2022-43138](https://insights.sbomify.com/CVE-2022-43138/): Dolibarr vulnerable to privilege escalation (critical 9.8)
- [CVE-2022-40871](https://insights.sbomify.com/CVE-2022-40871/): Dolibarr vulnerable to Eval Injection (critical 9.8)
- [CVE-2021-33816](https://insights.sbomify.com/CVE-2021-33816/): Dolibarr remote PHP code execution (critical 9.8)
- [CVE-2020-7995](https://insights.sbomify.com/CVE-2020-7995/): Dolibarr Improper Restriction of Excessive Authentication Attempts (critical 9.8)
- [CVE-2013-2091](https://insights.sbomify.com/CVE-2013-2091/): SQL injection in dolibarr (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-13239 and fix it if it is affected.

What it is: CVE-2020-13239 is a medium-severity cross-site scripting vulnerability in Dolibarr Dolibarr Erp\/Crm, published on 20 May 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-13239 in the wild and no public exploit code.

Affected packages and fixed versions:
- dolibarr/dolibarr (Packagist): affected all versions; no fix listed
- dolibarr/dolibarr (Packagist): affected all versions; no fix listed
- dolibarr (Bitnami): affected from 11.0.4 up to 11.0.4; no fix listed

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-2020-13239/ (Markdown: https://insights.sbomify.com/CVE-2020-13239/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-13239
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-13239
- OSV: https://osv.dev/vulnerability/CVE-2020-13239

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-13239/
Summaries are generated and may contain mistakes; the official description above is the record.