CVE-2026-26997
ClipBucket v5 has Stored XSS via Collection name
Description
ClipBucket v5 is an open source video sharing platform. Prior to version 5.5.3 #59, a normal authenticated user can store the XSS payload. The payload is triggered by administrator. Version 5.5.3 #59 fixes the issue.
INFO
Published Date :
Feb. 27, 2026, 8:21 p.m.
Last Modified :
March 3, 2026, 8:10 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update ClipBucket to version 5.5.3 #59 or later.
- Review and sanitize all user-supplied input.
- Implement output encoding for displayed data.
Public PoC/Exploit Available at Github
CVE-2026-26997 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-26997.
| URL | Resource |
|---|---|
| https://github.com/MacWarrior/clipbucket-v5/commit/2da4c8e41f9e4baf47ff89f8a674fbe9b63ac76d | Patch |
| https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-97r6-4hmx-hcrh | Exploit Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-26997 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-26997
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-26997 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-26997 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 03, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Added CPE Configuration OR *cpe:2.3:a:oxygenz:clipbucket:*:*:*:*:*:*:*:* versions from (including) 5.3 up to (excluding) 5.5.3-59 Added Reference Type GitHub, Inc.: https://github.com/MacWarrior/clipbucket-v5/commit/2da4c8e41f9e4baf47ff89f8a674fbe9b63ac76d Types: Patch Added Reference Type GitHub, Inc.: https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-97r6-4hmx-hcrh Types: Exploit, Vendor Advisory -
New CVE Received by [email protected]
Feb. 27, 2026
Action Type Old Value New Value Added Description ClipBucket v5 is an open source video sharing platform. Prior to version 5.5.3 #59, a normal authenticated user can store the XSS payload. The payload is triggered by administrator. Version 5.5.3 #59 fixes the issue. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-79 Added Reference https://github.com/MacWarrior/clipbucket-v5/commit/2da4c8e41f9e4baf47ff89f8a674fbe9b63ac76d Added Reference https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-97r6-4hmx-hcrh