What is CVE-2026-87840?

CVE-2026-87840 is a medium-severity vulnerability, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-09-20.

How severe is CVE-2026-87840?

Medium severity. CVSS v3 base score is 5.3 out of 10.

CVE-2026-87840

CVE-2026-87840

The Tripzzy WordPress plugin before 1.5.1 does not perform any capability or ownership checks on its administrative booking-management actions, which are additionally exposed to unauthenticated users and gated only by a token the Tripzzy WordPress plugin before 1.5.1 issues to any anonymous visitor on request, allowing unauthenticated attackers to alter the contents, stored totals and notes of arbitrary bookings.

EPSS: 0.001 (3.4th percentile) — read the EPSS interpretation.

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:N/I:L/A:N.

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-87840?: CVE-2026-87840 is a medium-severity vulnerability, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-09-20.
How severe is CVE-2026-87840?: Medium severity. CVSS v3 base score is 5.3 out of 10.