CVE-2026-25383

High

Published: 25 March 2026

Published

25 March 2026

Modified

24 April 2026

KEV Added

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Patch

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CVSS Score v3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

EPSS Score 0.0004 14.4th percentile

Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-25383 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Drive-by Compromise (T1189); ranked at the 14.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-15 (Information Output Filtering).

Deeper analysis

CVE-2026-25383 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, affecting the Iqonic Design KiviCare clinic management system WordPress plugin. The issue impacts all versions from n/a through 3.6.16, as published on 2026-03-25.

With a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L), the vulnerability is exploitable over the network with low attack complexity, requiring no privileges but user interaction, such as clicking a malicious link. Remote attackers can deliver crafted payloads that reflect user input without proper sanitization, leading to script execution in the victim's browser within a changed scope, resulting in low impacts to confidentiality, integrity, and availability.

The Patchstack advisory provides details on this WordPress plugin vulnerability at https://patchstack.com/database/Wordpress/Plugin/kivicare-clinic-management-system/vulnerability/wordpress-kivicare-plugin-3-6-16-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-15703

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Iqonic Design KiviCare kivicare-clinic-management-system allows Reflected XSS.This issue affects KiviCare: from n/a through <= 3.6.16.

CWE(s): CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1189 Drive-by Compromise Initial Access

Adversaries may gain access to a system through a user visiting a website over the normal course of browsing.

attack.mitre.org →

T1059.007 JavaScript Execution

Adversaries may abuse various implementations of JavaScript for execution.

attack.mitre.org →

Why these techniques?

Reflected XSS enables arbitrary JavaScript execution in the victim's browser when a crafted malicious link is visited, directly mapping to Drive-by Compromise (T1189) for delivery and JavaScript (T1059.007) for execution.

Confidence: MEDIUM · MITRE ATT&CK Enterprise v18.1