CVE-2026-13611

MEDIUMCVSS 5.3/10EPSS 0.19%

Last modified

CVE-2026-13611 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability
0.19%

9.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
UnknownKiviCare< 4.5.5

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-13611?
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.
How severe is CVE-2026-13611?
CVE-2026-13611 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2026-13611?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST