EUVD-2026-92027
GHSA-3ggw-53qv-qjmj
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Unauthenticated remote broken-access-control flaw (PR:N, AV:N, AC:L) exposing sensitive functionality gives C:H with limited integrity impact (I:L) and no availability effect.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Improper input validation in the Themeum Kirki WordPress plugin through version 6.3.1 allows unauthenticated remote attackers to access functionality not properly constrained by ACLs, yielding high confidentiality impact and low integrity impact with no availability impact. The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N (base 8.2) confirms network exploitation without privileges or user interaction, so any WordPress site running Kirki from initial release through 6.3.1 is exposed. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a WordPress installation with the Themeum Kirki plugin at any version from initial release through 6.3.1 installed and active. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 3.1 base score of 8.2 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N) describes a network-reachable, low-complexity flaw requiring no privileges or user interaction, with high confidentiality impact and low integrity impact - consistent with a broken-access-control / improper-input-validation issue (CWE-1284) that exposes functionality not constrained by ACLs, as reported by Patchstack. … 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 | No vendor-released patch or exact fixed version is identified in the provided data at time of analysis; check the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/kirki/vulnerability/wordpress-kirki-plugin-6-3-1-arbitrary-code-execution-vulnerability?_s_id=cve) and Themeum's channels for an updated Kirki release. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: inventory all internet-facing WordPress installations and confirm which run the Kirki plugin at any version from initial release through 6.3.1, then disable or uninstall the plugin wherever it is not strictly required for the active theme to render. …
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