CVE-2026-84220 Kirki < 6.3.2 - Unauthenticated Arbitrary Shortcode Execution via Comments Collection
Unauthenticated attackers can execute arbitrary shortcodes and read private custom fields via comments in the Kirki WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-84220?
CVE-2026-84220 is a medium-severity code injection vulnerability in Unknown Kirki, published on 9 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-74
Which versions are affected by CVE-2026-84220?
How do I fix CVE-2026-84220?
No fix has been published for CVE-2026-84220 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-84220 being exploited?
There is no known exploitation of CVE-2026-84220 in the wild and no public exploit code.
Sources
Also known as GHSA-wv2j-h628-x2ww.