CVE-2022-4821

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

0.51% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 41.6% 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

2022-12-28 20:45Z3 YR AGO

Last updated

2024-08-03 01:55Z2 YR AGO

Reserved

2022-12-28

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Low (CVSS 2.4)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/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

084936f32a51e922f13c1bd8cf8411ece1f06a61de3aa5ca982cc46597fb7fe6

• vuldb.comhttps://vuldb.com/?id.217000vdb-entrytechnical-description
• vuldb.comhttps://vuldb.com/?ctiid.217000signaturepermissions-required
• github.comhttps://github.com/flatpressblog/flatpress/issues/178issue-tracking
• github.comhttps://github.com/flatpressblog/flatpress/commit/3cc223dec5260e533a84b5cf5780d3a4fbf21241patch