CVE-2020-36636Network attack vector

Cross-site scripting via unencoded account fields

Published Dec 27, 2022 · Updated Aug 4, 2024

Cross-site scripting in OpenMRS Admin UI Module 1.0 through 1.4 allows remote authenticated users to execute script via account data. The setJsonFormData method serializes family name, given name, gender, and username values into personJson without HTML encoding. Account-setup access and a victim rendering the affected page are required; the injected script runs with the victim browser session.

CVSS severity6.1
Medium
EPSS probability0.93%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in OpenMRS Admin UI Module 1.0 through 1.4 allows remote authenticated users to execute script via account data. The setJsonFormData method serializes family name, given name, gender, and username values into personJson without HTML encoding. Account-setup access and a victim rendering the affected page are required; the injected script runs with the victim browser session.

The record

CVE
CVE-2020-36636
Published
Dec 27, 2022
Updated
Aug 4, 2024
Vendor
OpenMRS
Product
Admin UI Module
Classifications
CWE-79, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 27, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0
  2. Affected versionversion=1.1
  3. Affected versionversion=1.2
  4. Affected versionversion=1.3
  5. Affected versionversion=1.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

OpenMRS · Admin UI Moduleversion=1.0; version=1.1; version=1.2; version=1.3; version=1.4

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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