What is CVE-2026-113584?

CVE-2026-113584 is a critical-severity vulnerability in Placester, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-11-06.

How severe is CVE-2026-113584?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Privilege escalation in Placester

CVE-2026-113584

The placester WordPress plugin through 1.4.3 does not perform any capability, nonce or ownership check on an AJAX action that updates account details, allowing unauthenticated attackers to overwrite any user's email address, including an administrator's, and take over the account through the standard password-reset flow.

Vulnerability class: Privilege Escalation

Published 2026-11-06 · last modified 2026-11-06.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Placester

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

wpscan.com/vulnerability/f8261325-51d6-477e-af17-11b6de10c232/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-113584?: CVE-2026-113584 is a critical-severity vulnerability in Placester, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-11-06.
How severe is CVE-2026-113584?: Critical severity. CVSS v3 base score is 9.8 out of 10.