CVE-2026-16974
MediumCVSS 6.4Exploitation Probability (EPSS)
Low risk5th percentile - higher than 5% of all known CVEs
Summary
The Kirki plugin for WordPress (up to version 6.2.0) is vulnerable to Stored Cross-Site Scripting via the post_meta shortcode due to insufficient input sanitization and output escaping. Authenticated attackers with Contributor-level access or above can inject arbitrary web scripts.
Risk Assessment
Compromised pages can execute malicious scripts in users' browsers, potentially leading to session theft, account takeover, or malware distribution.
Recommendation
Update the Kirki plugin to the latest version that includes XSS fixes.
Original NVD description (English source)
The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post_meta Shortcode in all versions up to, and including, 6.2.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.