What is CVE-2026-107120?

CVE-2026-107120 is a medium-severity vulnerability in Contest Gallery, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-10-10.

How severe is CVE-2026-107120?

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

Auth bypass in Contest Gallery

CVE-2026-107120

The Contest Gallery WordPress plugin before 33.0.1 does not limit the number of attempts against its front-end registration email-verification step, which relies on a short numeric PIN, allowing unauthenticated attackers to brute-force the PIN and create and activate a WordPress account bound to an email address they do not own, gaining an authenticated session.

Vulnerability class: Broken Authentication

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

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.

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

Contest Gallery

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

wpscan.com/vulnerability/13853303-741e-4f87-8543-d5d825d20e8e/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-107120?: CVE-2026-107120 is a medium-severity vulnerability in Contest Gallery, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-10-10.
How severe is CVE-2026-107120?: Medium severity. CVSS v3 base score is 5.3 out of 10.