Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-4289

22
FAUCET Score

CVE-2021-4289 is a cross-site scripting (XSS) vulnerability affecting OpenMRS referenceapplication up to version 2.11.x. Specifically, the User App Page component's post function is vulnerable to manipulation of the AppId argument. This vulnerability has a CVSS score of 6.1 (Medium), indicating it can be exploited remotely with low attack complexity, requiring user interaction, and potentially leading to low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability. Upgrading to OpenMRS referenceapplication version 2.12.0 is recommended to remediate this issue.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.12.0CPE matchmatch criteria
cpe:2.3:a:openmrs:reference_application:*:*:*:*:*:*:*:*

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
0.95%
Probability of exploitation in next 30 days
EPSS Percentile
57.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0095 is in the 70th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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 0.1 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-referenceapplication/commit/0410c091d46eed3c132fe0fcafe5964182659f74
PatchThird Party Advisory
github.com / openmrs/openmrs-module-referenceapplication/pull/89
PatchThird Party Advisory
github.com / openmrs/openmrs-module-referenceapplication/releases/tag/referenceapplication-2.12.0
Release NotesThird Party Advisory
issues.openmrs.org / browse/RA-1875
Issue TrackingVendor Advisory
vuldb.com
Third Party Advisory
vuldb.com
Third Party Advisory