What is CVE-2018-7664?

CVE-2018-7664 is a critical-severity vulnerability in Clip-Bucket Clipbucket, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-03-05.

How severe is CVE-2018-7664?

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

RCE in Clip-Bucket Clipbucket

CVE-2018-7664

An issue was discovered in ClipBucket before 4.0.0 Release 4902. Any OS commands can be injected via shell metacharacters in the file_name parameter to /api/file_uploader.php or /actions/file_downloader.php.

Vulnerability class: Command Injection (OS Command Injection)

Published 2018-03-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.020 (79.9th percentile), scored 2026-09-28.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Clip-Bucket Clipbucket

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

lists.openwall.net/full-disclosure/2018/02/27/1 (Exploit, Third Party Advisory)
www.sec-consult.com/en/blog/advisories/os-command-injection-arbitrary-file-uplo… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-7664?: CVE-2018-7664 is a critical-severity vulnerability in Clip-Bucket Clipbucket, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-03-05.
How severe is CVE-2018-7664?: Critical severity. CVSS v3 base score is 9.8 out of 10.