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Fencer Intel
medium 6.5

CVE-2025-55911 json

An issue Clip Bucket v.5.5.2 Build#90 allows a remote attacker to execute arbitrary codes via the file_downloader.php and the file parameter

published last yr. modified 4d ago also EUVD-2025-29929

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
1
Exploit-DB

Summary

An issue Clip Bucket v.5.5.2 Build#90 allows a remote attacker to execute arbitrary codes via the file_downloader.php and the file parameter

Patch / fix

  • oxygenz clipbucket 5.5.2-90

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Timeline

  1. First public exploit (EDB-52434)
  2. Published

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
last yr.

Exploit prediction

1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-52434 ClipBucket 5.5.2 Build #90 - Server-Side Request Forgery (SSRF) remote, 2025-09-16
  • medium.com https://medium.com/@mukund.s1337/cve-2025-55911-clipbucket-5-5-2-build-90-ssrf-via-upload-actions-file-downloader-php-eb49dc02bd6f referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command

References

Sources

Fencer Intel 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.