ClipBucket: SQL Wildcard Injection in Subtitle Edit Endpoint Allows Mass Subtitle Overwrite

published 2026-06-11 4 mo ago modified 2026-10-26 13 d ago also EUVD-2026-36370

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits: 0; none known

ClipBucket v5 is an open source video sharing platform. Prior to version 5.5.3 - #141, ClipBucket v5 contains an improper neutralization of SQL wildcard characters in the subtitle editing endpoint. An authenticated user can send a % character as the number parameter to overwrite all subtitle titles of any video they own in a single HTTP request. This issue has been patched in version 5.5.3 - #141.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 4 mo ago (2026-06-12)

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-wv43-277p-737c referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected products

MacWarrior clipbucket-v5

Classification

Weakness

CWE-155 Improper Neutralization of Wildcards or Matching Symbols
CWE-943 Improper Neutralization of Special Elements in Data Query Logic

References

github.com /MacWarrior/clipbucket-v5/security/advisories/GHSA-wv43-277p-737c
exploit

Sources

CVE List CVE-2026-49482
NVD CVE-2026-49482

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.

Summary