CVE-2023-5966

Unrestricted Upload of File with Dangerous Type in EspoCRM

An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the extension deployment form, which could lead to arbitrary PHP code execution.

Affected

EspoCRM

CVSS v3.1 NVD

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

CVSS v3.1 INCIBE

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

EPSS

1.04% chance of exploitation in the next 30 days, 63rd percentile

Published

2023-11-30

Updated

2026-04-20

Proof-of-concept exploits (1)

• ll104567/cve-2023-59660★ · 2023-11-13

Security advisories

• https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-espocrm

References

• CVE Record
• NVD entry

Related

• CVE-2025-31486