# CVE-2019-5972: Cross-site scripting in Online Lesson Booking

> Remote attackers can inject arbitrary web script or HTML into the Online Lesson Booking application, potentially compromising user sessions or data.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 5 Jul 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-g5jq-8h4q-2x69

## What is CVE-2019-5972?

CVE-2019-5972 is a medium-severity cross-site scripting vulnerability in SUKIMALAB.COM Online Lesson Booking, published on 5 Jul 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Cross-site scripting vulnerability in Online Lesson Booking 0.8.6 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

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

## Which versions are affected by CVE-2019-5972?

It affects 1 product.


Products: Sukimalab Online Lesson Booking.

## How do I fix CVE-2019-5972?

No fix has been published for CVE-2019-5972 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-5972 being exploited?

There is no known exploitation of CVE-2019-5972 in the wild and no public exploit code.

## Other vulnerabilities in SUKIMALAB.COM Online Lesson Booking

- [CVE-2019-5973](https://insights.sbomify.com/CVE-2019-5973/): Cross-site request forgery in Online Lesson Booking (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-5972 and fix it if it is affected.

What it is: CVE-2019-5972 is a medium-severity cross-site scripting vulnerability in SUKIMALAB.COM Online Lesson Booking, published on 5 Jul 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2019-5972 in the wild and no public exploit code.

Affected product: SUKIMALAB.COM Online Lesson Booking. 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-2019-5972/ (Markdown: https://insights.sbomify.com/CVE-2019-5972/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-5972
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-5972
- OSV: https://osv.dev/vulnerability/CVE-2019-5972

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-5972/
Summaries are generated and may contain mistakes; the official description above is the record.