Is CVE-2021-4288 in the CISA KEV catalog?

No. CVE-2021-4288 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-4288?

CVE-2021-4288 has a CVSS v3 base score of 3.5 (LOW).

What is the EPSS score for CVE-2021-4288?

CVE-2021-4288 has an EPSS score of 0.90% (55th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-4288?

Upgrade reference application to 2.12.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-4288

LOW

3.5

CVSS v3

NVD

Description

A vulnerability was found in OpenMRS openmrs-module-referenceapplication up to 2.11.x. It has been rated as problematic. This issue affects some unknown processing of the file omod/src/main/webapp/pages/userApp.gsp. The manipulation leads to cross site scripting. The attack may be initiated remotely. Upgrading to version 2.12.0 is able to address this issue. The name of the patch is 35f81901a4cb925747a9615b8706f5079d2196a1. It is recommended to upgrade the affected component. The identifier VDB-216881 was assigned to this vulnerability.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

reference applicationNVD

Affected:< 2.12.0Fixed in:2.12.0CVE-2021-4288derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.90%probability of exploitation in 30 days

55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Patch2

Third-Party Advisory3

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.