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CVE-2020-36635

19
FAUCET Score

CVE-2020-36635 is a Cross-Site Scripting (XSS) vulnerability found in the OpenMRS Appointment Scheduling Module, affecting versions up to 1.12.x. This medium-severity vulnerability (CVSS 5.4) allows a remote attacker to inject malicious scripts due to improper validation in the validateFieldName function. While it requires user interaction, successful exploitation could lead to information disclosure or defacement. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE. Upgrading to version 1.13.0 or applying patch 34213c3f6ea22df427573076fb62744694f601d8 remediates the issue.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.13.0CPE matchmatch criteria
cpe:2.3:a:openmrs:appointment_scheduling_module:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.5LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.89%
Probability of exploitation in next 30 days
EPSS Percentile
55.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0089 is in the 90th percentile among its peer group of 15,224 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / openmrs/openmrs-module-appointmentscheduling/commit/34213c3f6ea22df427573076fb62744694f601d8
PatchThird Party Advisory
github.com / openmrs/openmrs-module-appointmentscheduling/pull/32
PatchThird Party Advisory
github.com / openmrs/openmrs-module-appointmentscheduling/releases/tag/1.13.0
Release NotesThird Party Advisory
vuldb.com
Third Party Advisory
vuldb.com
Third Party Advisory