What is CVE-2025-49963?

CVE-2025-49963 is a high-severity vulnerability in Growniche Simple Stripe Checkout, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-10-22.

How severe is CVE-2025-49963?

High severity. CVSS v3 base score is 7.1 out of 10.

XSS in Growniche Simple Stripe Checkout

CVE-2025-49963

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in growniche Simple Stripe Checkout simple-stripe-checkout allows Reflected XSS.This issue affects Simple Stripe Checkout: from n/a through <= 1.1.28.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (14.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

Affected products

Growniche Simple Stripe Checkout — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2025-49963?: CVE-2025-49963 is a high-severity vulnerability in Growniche Simple Stripe Checkout, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-10-22.
How severe is CVE-2025-49963?: High severity. CVSS v3 base score is 7.1 out of 10.