CVE-2018-16521

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.92% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 78.4% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-09-05 15:00Z8 YR AGO

Last updated

2024-09-16 23:25Z1 YR AGO

Reserved

2018-09-05

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-611Improper Restriction of XML External Entity ReferenceBase

Data version

5.1

Document digest

d62826b8404aa27b2bd2bea1a6684f8bd05071cd5840cbdd5d12034b06fb4f18

• github.comhttps://github.com/openmrs/openmrs-module-htmlformentry/pull/138x_refsource_MISC
• github.comhttps://github.com/openmrs/openmrs-module-htmlformentry/pull/137x_refsource_MISC