CVE-2026-84220
MediumCVSS 4.8Exploitation Probability (EPSS)
Low risk3th percentile - higher than 3% of all known CVEs
Summary
The 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 Assessment
An unauthenticated attacker can execute shortcodes and access private page data. This may lead to information disclosure and unexpected site behavior.
Recommendation
Update the Kirki plugin to version 6.3.2 or later. Consider disabling or restricting commenting until the update is applied.
Other vulnerabilities in Kirki WordPress plugin
See all- CVE-2026-84224Medium
The Kirki WordPress plugin before 6.3.2 does not validate the host of a URL it is given before fetching it, allowing users with editor-level access and above to make the site issue requests to internal services that are not otherwise reachable, and to tell which of those are live from the response.
- CVE-2026-18335Medium
The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Blind Server-Side Request Forgery in all versions up to, and including, 6.2.0 via the 'kirki_data' parameter. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.
- CVE-2026-84223Medium
The Kirki WordPress plugin before 6.3.1 does not sanitize uploaded SVG files while making them uploadable site-wide, allowing users with author-level access and above to upload a file containing JavaScript which is then served from the site's own origin and runs in the session of anyone who opens it.
- CVE-2026-17037High
The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 6.2.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
- CVE-2026-84222Medium
The Kirki WordPress plugin before 6.3.0 does not check whether the requester is allowed to read a post before rendering and returning its page content, allowing unauthenticated users to retrieve the content of pages that are not publicly available, such as private, draft, pending and trashed ones.
- CVE-2026-84219High
The Kirki WordPress plugin before 6.3.0 does not properly handle all HTML entities when rendering, allowing unauthenticated users to store JavaScript in a comment that executes in the session of anyone viewing the page, including an administrator, and on every page when the header or footer is built to show comments.
Original NVD description (English source)
The 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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS