What is CVE-2026-90953?

CVE-2026-90953 is a medium-severity vulnerability in Image Optimizer, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-09-30.

How severe is CVE-2026-90953?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Image Optimizer

CVE-2026-90953

The Image Optimizer WordPress plugin before 1.7.7 does not enforce its intended capability check on several of its read REST routes, allowing any authenticated user to read attachment metadata and site-wide statistics that should be restricted to administrators.

Vulnerability class: Information Disclosure

Published 2026-09-30 · last modified 2026-09-30.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/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

Image Optimizer

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

wpscan.com/vulnerability/38412622-513f-41ea-9968-192f357d360e/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-90953?: CVE-2026-90953 is a medium-severity vulnerability in Image Optimizer, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-09-30.
How severe is CVE-2026-90953?: Medium severity. CVSS v3 base score is 4.3 out of 10.