CVE-2021-4296

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

0.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 41.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2022-12-29 08:52Z3 YR AGO

Last updated

2024-08-03 17:23Z2 YR AGO

Reserved

2022-12-29

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Low (CVSS 3.5)

CNA CVSS vector

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

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

54c5d6c0fa643eb2a0c850c67be2fc8773e7a3b95b711a668b412239f96162c7

• vuldb.comhttps://vuldb.com/?id.217019vdb-entrytechnical-description
• vuldb.comhttps://vuldb.com/?ctiid.217019signaturepermissions-required
• github.comhttps://github.com/w3c/Unicorn/pull/212issue-tracking
• github.comhttps://github.com/w3c/Unicorn/commit/51f75c31f7fc33859a9a571311c67ae4e95d9c68patch