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Fencer Vulns
critical 9.8

CVE-2018-7664 json

An issue was discovered in ClipBucket before 4.0.0 Release 4902.

published 2018-03-05 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-19381

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

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.

Exploit prediction

2.00% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • lists.openwall.net http://lists.openwall.net/full-disclosure/2018/02/27/1 referenced PoC, tagged "exploit" by a source, unverified
  • sec-consult.com https://www.sec-consult.com/en/blog/advisories/os-command-injection-arbitrary-file-upload-sql-injection-in-clipbucket/index.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.