CVE-2023-45554

9.8 criticalEPSS 2.0%

Critical (9.8) in zzzcms zzzcms. EPSS 2.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2023-10-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zzzcms:zzzcms

References

https://github.com/96xiaopang/Vulnerabilities/blob/main/zzzcms%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E4%B8%8A%E4%BC%A0_en.md
https://github.com/96xiaopang/Vulnerabilities/blob/main/zzzcms%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E4%B8%8A%E4%BC%A0_en.md

Check your stack JSON