What is CVE-2023-45554?

CVE-2023-45554 is a critical-severity vulnerability in Zzzcms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-10-25.

How severe is CVE-2023-45554?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-45554 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Zzzcms

CVE-2023-45554

File Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary code via modification of the imageext parameter from jpg, jpeg,gif, and png to jpg, jpeg,gif, png, pphphp.

Vulnerability class: Unrestricted File Upload

EPSS: 0.015 (72.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zzzcms — versions 2.1.9
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-45554?: CVE-2023-45554 is a critical-severity vulnerability in Zzzcms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-10-25.
How severe is CVE-2023-45554?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-45554 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.