CVE-2021-47904

high

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.

References

https://www.vulncheck.com/advisories/phreebooks-remote-code-execution

https://www.phreesoft.com/

https://www.exploit-db.com/exploits/49524

https://www.exploit-db.com/exploits/46645

https://gist.github.com/joswr1ght/22f40787de19d80d110b37fb79ac3985

Details

Source: Mitre, NVD

Published: 2026-01-23

Updated: 2026-01-26

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High

CVSS v4

Base 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

Severity: High

EPSS

EPSS: 0.0031