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Fencer Intel
medium 5.3

CVE-2026-13611 json

KiviCare – Clinic & Patient Management System (EHR) < 4.5.5 - Unauthenticated Patient Data Disclosure

published 2mo ago modified 2mo ago also EUVD-2026-68992

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits
0
none known

Summary

The KiviCare WordPress plugin before 4.5.5 does not perform authorization checks on some of its REST endpoints, allowing unauthenticated attackers to disclose the patient roster and, when a payment gateway is configured, the payment gateway secret key.

Patch / fix

  • Unknown KiviCare 4.5.5

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2mo ago

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/b3f986c8-fa7f-4115-9f33-7e74180256f1/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

  • Unknown KiviCare

Classification

Weakness
  • CWE-862 Missing Authorization
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.