What’s Vulnerable › Vulnerabilities

CVE-2026-95812: ClipBucket v5 before 5.5.3-#182 Reflected XSS via Query Parameters

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-22 · updated 2026-09-24
• Weakness: CWE-79

Description

ClipBucket v5 before 5.5.3-#182 contains a reflected cross-site scripting vulnerability in the sort_link() helper function that fails to sanitize cat, sort, and time query parameters. Attackers can craft malicious requests with injected script payloads in these parameters to execute arbitrary JavaScript in victims' browsers under the application origin.

Affected products

• MacWarrior clipbucket-v5: before 5.5.3-#182 — fixed in 5.5.3-#182

How to fix

Upgrade to a fixed version: MacWarrior clipbucket-v5 5.5.3-#182. Check the vendor advisory for mitigations.

References

• https://github.com/MacWarrior/clipbucket-v5
• https://github.com/MacWarrior/clipbucket-v5/blob/5.5.3-%23153/upload/includes/functions.php
• https://github.com/MacWarrior/clipbucket-v5/commit/032f46937e091e22afa6c99f2c888575cc94e44b
• https://github.com/MacWarrior/clipbucket-v5/releases/tag/5.5.3-%23182
• https://hackmd.io/@leediay/reflected-xss-in-search-function-clipbucket-v5
• https://www.vulncheck.com/advisories/clipbucket-v5-before-5.5.3-182-reflected-xss-via-query-parameters

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