What is CVE-2022-23881?

CVE-2022-23881 is a critical-severity vulnerability in Zzzcms Zzzphp. CVSS score: 9.8/10. Published 2022-03-23.

How severe is CVE-2022-23881?

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

Is CVE-2022-23881 known to be exploited?

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

Vulnerability in Zzzcms Zzzphp

CVE-2022-23881

ZZZCMS zzzphp v2.1.0 was discovered to contain a remote command execution (RCE) vulnerability via danger_key() at zzz_template.php.

Published 2022-03-23 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.565 (99.1th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.565 · newest: 0.565 · change: 0.000

Affected products

Zzzcms Zzzphp — versions 2.1.0

Public proof-of-concept exploits

References

github.com/metaStor/Vuls/blob/main/zzzcms/zzzphp V2.1.0 RCE/zzzphp V2.1.0 RCE.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-23881?: CVE-2022-23881 is a critical-severity vulnerability in Zzzcms Zzzphp. CVSS score: 9.8/10. Published 2022-03-23.
How severe is CVE-2022-23881?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-23881 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.