CVE-2026-84220CWE-74

CVE-2026-84220

Medium · published October 9, 2026

CVSS v3.1
4.8
EPSS
0%
Percentile
3.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00146 · 3.5th percentile
Weakness
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Published
2026-10-09T13:17Z
References (1)
https://wpscan.com/vulnerability/e5cfd004-dd57-4d42-858c-fbb9b9e320f6/ · [email protected]
EPSS history
Timeline
  • 10 OCT 03:32Z
    EPSS moved — → 0%
    epss
  • 09 OCT 08:06Z
    Kirki < 6.3.2 - Unauthenticated Arbitrary Shortcode Execution via Comments Collection
    cvelistv5
  • 09 OCT 08:06Z
    Kirki < 6.3.2 - Unauthenticated Arbitrary Shortcode Execution via Comments Collection
    cvelistv5