What is CVE-2026-111596?

CVE-2026-111596 is a medium-severity vulnerability in Kliken: Ads + Pixel For Meta, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-10-21.

How severe is CVE-2026-111596?

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

Auth bypass in Kliken: Ads + Pixel For Meta

CVE-2026-111596

The Kliken: Ads + Pixel for Meta WordPress plugin before 1.2.3 does not verify that a visitor holds an order's key before outputting that order's details on the order confirmation page, allowing unauthenticated users to retrieve the billing location, purchased products and totals of other customers' orders by enumerating order IDs.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-10-21 · last modified 2026-10-21.

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

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

Kliken: Ads + Pixel For Meta

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

wpscan.com/vulnerability/8bba9959-9c7a-4564-bcba-fc34a922ecc7/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-111596?: CVE-2026-111596 is a medium-severity vulnerability in Kliken: Ads + Pixel For Meta, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-10-21.
How severe is CVE-2026-111596?: Medium severity. CVSS v3 base score is 5.3 out of 10.