Vulnerability · Published Sep 18, 2026 · Assigned by VulnCheck

CVE-2026-77928ClipBucket < 5.5.3-#182 Blind SQL Injection via Private Message Deletion Endpoint

Medium 6.5

In plain English

A medium-severity SQL injection in clipbucket-v5 from MacWarrior. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.4%top 63.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

ClipBucket v5 before 5.5.3-#182 contains a blind SQL injection vulnerability that allows authenticated users to extract arbitrary database contents by submitting the msg_id parameter as an array to bypass the clean_requests() sanitization function in ClipBucket.class.php. Attackers can pass unsanitized array elements through the deletion handler in private_message.php into cb_pm::delete_msg(), which interpolates the unescaped message ID directly into a SQL query string, enabling time-based blind SQL injection to retrieve all user credential hashes and email addresses.

Affected products (as reported)

Vendor	Product	Versions
MacWarrior	clipbucket-v5	0 – before 5.5.3-#182

Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

ClipBucket 5.5.3-#182 Release Notes release-notes
Patch Commit patch
https://www.vulncheck.com/advisories/clipbucket-blind-sql-injection-via-private-message-deletion-endpoint third-party-advisory