CVE-2026-103065

Deferred Deferred - Pending Action

BaseFortify

Publication date: 2026-10-03

Last updated on: 2026-10-06

Assigner: Patchstack

Description

Improper Validation of Specified Quantity in Input vulnerability in Themeum Kirki kirki allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects Kirki: from n/a through 6.3.1.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-03

Last Modified

2026-10-06

Generated

2026-10-19

AI Q&A

2026-10-03

EPSS Evaluated

2026-10-18

NVD

CVE-2026-103065

EUVD

EUVD-2026-92027

Affected Vendors & Products

Vendor	Product	Version / Range
Themeum	Kirki	0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-1284	The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

Attack-Flow Graph

Executive Summary

This vulnerability is an Improper Validation of Specified Quantity in Input issue in the Themeum Kirki plugin. It allows attackers to bypass access controls and execute unauthorized functionality due to insufficient input validation. The flaw exists in versions up to 6.3.1.

Detection Guidance

To detect this vulnerability, check the installed version of the Kirki plugin in your WordPress site. If the version is 6.3.1 or earlier, the system is vulnerable. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files in /wp-content/plugins/kirki/ to verify the version.

Impact Analysis

Attackers could exploit this to execute arbitrary code on your server, potentially taking full control of your website. This could lead to data theft, defacement, or further compromise of your system. The high CVSS score of 8.2 indicates significant risk.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Update the Kirki plugin to version 6.3.2 or later immediately to patch the vulnerability. If immediate update is not possible, apply the mitigation rule provided by Patchstack to block attacks until the update is applied.

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