CVE-2021-33336

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

0.68% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 49.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2021-08-04 12:53Z5 YR AGO

Last updated

2024-08-03 23:50Z2 YR AGO

Reserved

2021-05-20

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

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

Data version

5.1

Document digest

23d5bcbcfa9b3b3291a5413b50a4810fe49176de46fa6acb7dfc9d5cc038b388

• portal.liferay.devhttps://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/cve-2021-33336-stored-xss-with-structure-namex_refsource_CONFIRM
• issues.liferay.comhttps://issues.liferay.com/browse/LPE-17078x_refsource_CONFIRM