Business Hours Pro <= 5.5.0 - Arbitrary File Upload

2021-04-02 00:00

Harald Eilertsen

Strategic Overview

Status

Unpatched

Affected PluginBusiness Hours Pro WordPress Plugin

Affected Version<= 5.5.0

CVSS9.8Critical

CVECVE-2021-24240

View all Business Hours Pro WordPress Plugin vulnerabilities

Vulnerability Overview

The Business Hours Pro WordPress plugin through 5.5.0 allows a remote attacker to upload arbitrary files using its manual update functionality, leading to an unauthenticated remote code execution vulnerability.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-434 (Unrestricted Upload of File with Dangerous Type) The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24240 https://www.wordfence.com/threat-intel/vulnerabilities/id/866f780e-46fa-407a-b777-951a328003dd

CVSS Vector

9.8

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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