PhreeBooks 5.2.3 contains an authenticated file upload vulnerability in the Image Manager that allows remote code execution. Attackers can upload a malicious PHP web shell by exploiting unrestricted file type uploads to gain command execution on the server.
Advisories

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Fixes

Solution

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Workaround

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History

Fri, 23 Jan 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 23 Jan 2026 17:00:00 +0000

Type Values Removed Values Added
Description PhreeBooks 5.2.3 contains an authenticated file upload vulnerability in the Image Manager that allows remote code execution. Attackers can upload a malicious PHP web shell by exploiting unrestricted file type uploads to gain command execution on the server.
Title PhreeBooks 5.2.3 - Remote Code Execution
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-23T21:47:32.715Z

Reserved: 2026-01-18T12:35:05.177Z

Link: CVE-2021-47904

cve-icon Vulnrichment

Updated: 2026-01-23T20:57:34.084Z

cve-icon NVD

Status : Received

Published: 2026-01-23T17:16:03.990

Modified: 2026-01-23T22:16:12.837

Link: CVE-2021-47904

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses