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CVE-2023-5966

High (7.2)—PoC
Patch with priorityPublic exploit code is available (Proof of concept on GitHub (unverified)). No confirmed active exploitation.
Severity7.2High · CVSS 3.1
Exploitation probability1.04 %higher than 64% of CVEs · score from Nov 5, 2026
Active exploitationNonot in the CISA catalog · checked Nov 6, 01:00 AM
Public exploitAvailableProof of concept on GitHub (unverified)

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.

Timeline

Built from our own data: NVD, CISA KEV, FIRST EPSS, public exploits, specialised media and Orbitaley coverage.

  1. CVE record published in NVD
  2. Record last modified in NVD
  3. First public exploit

Public exploits

Exploit code or detection templates are publicly available. This is not the same as confirmed active exploitation (KEV), but it raises the risk: patch with priority.

⚠️ GitHub proofs of concept are not verified: some are fake or contain malware. Never run them outside an isolated lab.

Affected technologies (1)

Espocrm — Espocrm

NVD record

NVD status
Modified
Published
Nov 30, 2023
Last modified
Jun 17, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-434

References

Raw JSON (NVD)

Show
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