What is CVE-2026-87848?

CVE-2026-87848 is a low-severity vulnerability in Mpcx Lightbox, classified under Missing Authorization. CVSS score: 3.7/10. Published 2026-09-23.

How severe is CVE-2026-87848?

Low severity. CVSS v3 base score is 3.7 out of 10.

Auth bypass in Mpcx Lightbox

CVE-2026-87848

The MPCX Lightbox WordPress plugin 1.2.2 through 1.2.5 does not have any authorisation or authentication on one of its AJAX actions available to unauthenticated users, nor does it check the status of the requested post, allowing unauthenticated visitors to retrieve the title, content or excerpt of arbitrary posts, including private, draft, pending, trashed and password-protected ones.

Vulnerability class: Broken Access Control

Published 2026-09-23 · last modified 2026-09-23.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/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

Mpcx Lightbox

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

wpscan.com/vulnerability/183ec34f-446f-481f-9019-26e005ad2cfb/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-87848?: CVE-2026-87848 is a low-severity vulnerability in Mpcx Lightbox, classified under Missing Authorization. CVSS score: 3.7/10. Published 2026-09-23.
How severe is CVE-2026-87848?: Low severity. CVSS v3 base score is 3.7 out of 10.