Kirki < 6.3.2 - Unauthenticated Arbitrary Shortcode Execution via Comments Collection

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-84220
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-09 09:17:09 UTC
Updated2026-10-09 15:17:17 UTC
DescriptionThe Kirki WordPress plugin before 6.3.2 does not prevent shortcodes held in comments from being executed when it renders them, and displays comments regardless of their moderation status, allowing unauthenticated visitors to run shortcodes registered on the site and to read private custom fields of the page being viewed.

Risk And Classification

Primary CVSS: v3.1 4.8 MEDIUM from [email protected]

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

Problem Types: CWE-74 | CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | CWE-74 CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
3.1CNADECLARED4.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Kirki affected 6.3.2 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/e5cfd004-dd57-4d42-858c-fbb9b9e320f6 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Karthik Ramakrishnan (en)

CNA: WPScan (en)

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