synced 13 MIN AGO
01 Record

CVE-2026-63190

FearlessCMS: Unauthenticated debug scripts expose filesystem operations and XSS

CriticalPUBLISHEDCNA: GitHub_M
CNA base score9.4 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
View raw JSON

02 Description

FearlessCMS: Unauthenticated debug scripts expose filesystem operations and XSS

03 Exploitation and scoring

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.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpacttotalSuccessful exploitation gives total 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
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
9.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
NVD analysis status
Deferred. NVD last modified this record on 2026-10-29.
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.

04 Metadata

Published
2026-10-28 19:28Z23 HR AGO
Last updated
2026-10-29 18:35Z44 MIN AGO
Reserved
2026-07-15
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Critical (CVSS 9.4)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Weaknesses
  • CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
  • CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
  • CWE-288Authentication Bypass Using an Alternate Path or ChannelBase
  • CWE-306Missing Authentication for Critical FunctionBase
Data version
5.2
Document digest
aa9b4be462fb18e31be9d82600eee4d80632361478a6280b3697ed77abaec3e9

05 Affected products

VendorProductVersionsPlatforms
fearlessgeekmediaFearlessCMS< 0.1.4—

06 References