PT-2026-2114 · Unknown · Clipbucket

Quirmz · Published 2026-01-07 · Updated 2026-01-13 · CVE-2026-21875

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions ClipBucket versions 5.5.2 through 5.5.2-#187

Description ClipBucket v5 is a video sharing platform susceptible to a Blind SQL Injection issue. The flaw exists within the add comment section of a channel. An attacker can exploit this by sending a POST request to the /actions/ajax.php endpoint. The obj id parameter within this request is used in the user exists function of the upload/includes/classes/user.class.php file, specifically as the $id parameter. This $id parameter is then used in the count function of the upload/includes/classes/db.class.php file. The parameter is incorporated into a query without proper validation or sanitization, allowing a crafted input like 1' or 1=1-- - to trigger the injection.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

SQL injection

Weakness Enumeration

CWE-89

Related Identifiers

CVE-2026-21875

GHSA-CRPV-FMC4-J392

Affected Products

Clipbucket

References · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21875.json · Exploit
• 🔥 https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-crpv-fmc4-j392 · Exploit
• https://osv.dev/vulnerability/CVE-2026-21875 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-21875 · Security Note
• https://twitter.com/CVEnew/status/2009149984541954453 · Twitter Post
• https://t.me/CVEtracker/41663 · Telegram Post
• https://twitter.com/0dayPublishing/status/2009051403453382712 · Twitter Post
• https://twitter.com/cracbot/status/2011030529643331943 · Twitter Post