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Unrestricted Upload of File with Dangerous Type...

Critical severity Unreviewed Published Aug 14, 2025 to the GitHub Advisory Database • Updated Aug 14, 2025

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

Unrestricted Upload of File with Dangerous Type vulnerability in epiphyt Form Block allows Upload a Web Shell to a Web Server. This issue affects Form Block: from n/a through 1.5.5.

References

Published by the National Vulnerability Database Aug 14, 2025
Published to the GitHub Advisory Database Aug 14, 2025
Last updated Aug 14, 2025

Severity

Critical

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(19th percentile)

Weaknesses

Unrestricted Upload of File with Dangerous Type

The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Learn more on MITRE.

CVE ID

CVE-2025-54693

GHSA ID

GHSA-3274-pvqm-8xhj

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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