CVE-2026-42694

MEDIUM 4.3

WordPress Kirki plugin <= 6.4.0 - Content Injection vulnerability

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Themeum Kirki kirki allows Code Injection.This issue affects Kirki: from n/a through 6.4.0.

CWE	CWE-80
Vendor	themeum
Product	kirki
Published	Oct 29, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

Themeum / Kirki

0 ≤ 6.4.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/kirki/vulnerability/wordpress-kirki-plugin-6-4-0-content-injection-vulnerability?_s_id=cve

Credits

nh4tvd | Patchstack Bug Bounty Program