What is CVE-2026-21451?

CVE-2026-21451 is a high-severity vulnerability in Bagisto, classified under Cross-site Scripting. CVSS score: 8.4/10. Published 2026-01-02.

How severe is CVE-2026-21451?

High severity. CVSS v3 base score is 8.4 out of 10.

XSS in Bagisto

CVE-2026-21451

Bagisto is an open source laravel eCommerce platform. A stored Cross-Site Scripting (XSS) vulnerability exists in Bagisto prior to version 2.3.10 within the CMS page editor. Although the platform normally attempts to sanitize `<script>` ta…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (38.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H.

Affected products

Bagisto — versions < 2.3.10
Webkul Bagisto

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-21451?: CVE-2026-21451 is a high-severity vulnerability in Bagisto, classified under Cross-site Scripting. CVSS score: 8.4/10. Published 2026-01-02.
How severe is CVE-2026-21451?: High severity. CVSS v3 base score is 8.4 out of 10.