CVE-2021-26628

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

0.78% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 55.8% 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

2022-04-26 18:21Z4 YR AGO

Last updated

2024-08-03 20:26Z2 YR AGO

Reserved

2021-02-03

Assigning CNA

krcert

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

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

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
• CWE-434Unrestricted Upload of File with Dangerous TypeBase

Data version

5.1

Document digest

825d9f530337886b02fdc36b21acae9d68843b455afb355331dbf96767bb43e3

• www.krcert.or.krhttps://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66673x_refsource_MISC