Information disclosure in Kirki

CVE-2026-77754

The Kirki WordPress plugin before 6.0.14 does not perform a capability check on some endpoints of one of its public AJAX actions, allowing unauthenticated users to retrieve the email addresses of registered users and comment authors, as well as non-public page content and settings.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (26.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-77754: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.001

Affected products

  • Kirki

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-77754?
CVE-2026-77754 is a medium-severity vulnerability in Kirki, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-08-26.
How severe is CVE-2026-77754?
Medium severity. CVSS v3 base score is 5.3 out of 10.