Blind Server-Side Request Forgery in Kirki Page Builder Plugin by WordPress
CVE-2026-18335

5.4MEDIUM

Key Information:

Vendor

WordPress
Status
Kirki – Freeform Page Builder, Website Builder & Customizer
Vendor
CVE Published:
24 September 2026

What is CVE-2026-18335?

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress has a vulnerability that allows unauthenticated attackers to exploit a blind server-side request forgery via the 'kirki_data' parameter. This enables the potential for attackers to execute web requests to arbitrary locations, which could facilitate the querying and modification of sensitive information from internal services.

Affected Version(s)

Kirki – Freeform Page Builder, Website Builder & Customizer 0 <= 6.2.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3636487/

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Khoa Dang
.