EUVD-2026-84991
GHSA-x2pv-2g6c-6vc3
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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
Unauthenticated network SQLi with no interaction (AV:N/AC:L/PR:N/UI:N); blind read-based extraction yields high confidentiality loss but no direct integrity or availability impact.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
4DescriptionCVE.org
ClipBucket v5 before 5.5.3-#182 contains a blind SQL injection vulnerability in the photo search endpoint where the query parameter is passed unsanitized into SQL WHERE and ORDER BY clauses. Unauthenticated attackers can exploit time-based blind SQL injection techniques to extract user credentials, email addresses, and administrator password hashes for account takeover.
AnalysisAI
Unauthenticated blind SQL injection in ClipBucket v5 (before 5.5.3-#182) allows remote attackers to extract sensitive database contents-including user credentials, email addresses, and administrator password hashes-via the photo search endpoint's unsanitized query parameter. Publicly available exploit code exists (HackMD writeup), and the vendor has released a patch (PR #874 / commit 7fd0af6f) that applies mysql_clean() to the vulnerable input. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions - remote unauthenticated exploitation against default configurations of ClipBucket v5 (before 5.5.3-#182), reachable via the public photo search endpoint that passes the query parameter unsanitized into SQL WHERE and ORDER BY clauses. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine priority, not a high-CVSS-but-low-real-risk issue. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: upgrade to ClipBucket v5.5.3-#182 or later, which includes commit 7fd0af6f8b5826c2d6ef0976dbb1867f5c36b707 and PR #874 that apply mysql_clean() to the search parameter. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify every internet-facing ClipBucket v5 instance and confirm its exact version by checking the installation's version file or admin dashboard, then prioritize those reachable from the public internet; as an immediate stopgap, place restrictive web application firewall rules or reverse-proxy filters in front of the photo search endpoint to reject or sanitize suspicious query parameter input, and enable verbose logging on that endpoint so attempted injections are captured. …
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External POC / Exploit Code
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