# CVE-2026-112031: Chamilo LMS Ticket TicketManager.php addProject cross site scripting

> Remote attackers can execute arbitrary scripts via the Ticket Module's addProject function, potentially compromising user accounts.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **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:** 18 Oct 2026
- **Updated:** 19 Oct 2026
- **Also known as:** GHSA-pr76-c2mp-rqp4, GHSA-wj7h-p8jp-jqxw

## What is CVE-2026-112031?

CVE-2026-112031 is a medium-severity cross-site scripting vulnerability in Chamilo LMS, published on 18 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A vulnerability was determined in Chamilo LMS up to 1.11.40/2.0.3/3.0.1. This issue affects the function TicketManager::addProject of the file main/inc/lib/TicketManager.php of the component Ticket Module. Executing a manipulation of the argument Name can lead to cross site scripting. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. This patch is called 6dfa0f4de45afc1b27333304b4cd4532db478f74/dd3e4d32971efca4197eb2df97f69de25a786e3c/119773d45c31da53b44cbfdb3f4910bc983cc7b0/cb6fe2127e587603451c609b4ed78c0293fcc3fa. It is best practice to apply a patch to resolve this issue.

Weakness: CWE-94 (Improper Control of Generation of Code), CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-112031?


## How do I fix CVE-2026-112031?

No fix has been published for CVE-2026-112031 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-112031 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-112031 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-112031 and fix it if it is affected.

What it is: CVE-2026-112031 is a medium-severity cross-site scripting vulnerability in Chamilo LMS, published on 18 Oct 2026. 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-2026-112031 exists.

Affected product: Chamilo LMS. 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-2026-112031/ (Markdown: https://insights.sbomify.com/CVE-2026-112031/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-112031
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-112031
- OSV: https://osv.dev/vulnerability/CVE-2026-112031

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-112031/
Summaries are generated and may contain mistakes; the official description above is the record.