What is CVE-2026-25419?

CVE-2026-25419 is a medium-severity vulnerability in Flycart Upsellwp, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-02-19.

How severe is CVE-2026-25419?

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

Auth bypass in Flycart Upsellwp

CVE-2026-25419

Missing Authorization vulnerability in flycart UpsellWP checkout-upsell-and-order-bumps allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects UpsellWP: from n/a through <= 2.2.5.

Vulnerability class: Broken Access Control

EPSS: 0.000 (11.5th percentile) — read the EPSS interpretation.

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.

Affected products

Flycart Upsellwp — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

patchstack.com/database/Wordpress/Plugin/checkout-upsell-and-order-bumps/vulner… (vdb-entry)

Frequently asked questions

What is CVE-2026-25419?: CVE-2026-25419 is a medium-severity vulnerability in Flycart Upsellwp, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-02-19.
How severe is CVE-2026-25419?: Medium severity. CVSS v3 base score is 4.3 out of 10.