EUVD-2026-62290
GHSA-34m6-mf7c-4crh
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Patient-level authentication required (PR:L) on a network endpoint; pure confidentiality impact via IDOR with no integrity or availability effect.
Primary rating from Vendor (wpscan).
CVSS VectorVendor: wpscan
Lifecycle Timeline
4DescriptionCVE.org
The KiviCare WordPress plugin before 4.5.4 does not verify that the requesting user is entitled to the media file being served, allowing authenticated patient-level users to download any file in the media library, including other patients' uploaded medical reports.
AnalysisAI
Authenticated patient-level users in KiviCare WordPress plugin before 4.5.4 can download any file from the media library - including other patients' confidential medical reports - by exploiting a missing ownership verification on media file access (CWE-639 IDOR). The CVSS vector (PR:L, C:H, AV:N) confirms that any registered patient with network access can enumerate and retrieve arbitrary media objects without elevated privileges. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid patient-level WordPress account on the target KiviCare installation - anonymous or unauthenticated access is not sufficient, consistent with PR:L in the CVSS vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The NVD CVSS 3.1 score of 6.5 Medium is technically consistent with the IDOR description: network-accessible (AV:N), low attack complexity (AC:L), requiring patient-level authentication (PR:L), with no user interaction (UI:N), unchanged scope (S:U), high confidentiality impact (C:H), and no integrity or availability impact. … 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 | Update KiviCare to version 4.5.4 or later, which contains the vendor-released patch for this authorization bypass as confirmed by WPScan (https://wpscan.com/vulnerability/4270b160-cbb8-46b2-853c-927651ca16bf/). … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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