CVE-2025-63783

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.29% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 21.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. 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

2025-11-07 00:00Z10 MO AGO

Last updated

2025-11-12 17:04Z9 MO AGO

Reserved

2025-10-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.6)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

81186fc03df490813306cf8efbe6a13d3b132549130ef65a56fdeaf96bbef267

• tossbank.notion.sitehttps://tossbank.notion.site/IDOR-in-onlook-27a557175d2e8061a3dbc931da53f095
• blog.soohyun.techhttps://blog.soohyun.tech/CVE-2025-63783-IDOR-in-Onlook-27a557175d2e8061a3dbc931da53f095