What is CVE-2026-102393?

CVE-2026-102393 is a medium-severity vulnerability in Brainstorm Force Starter Templates, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2026-10-05.

How severe is CVE-2026-102393?

Medium severity. CVSS v3 base score is 6.5 out of 10.

XSS in Brainstorm Force Starter Templates

CVE-2026-102393

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Brainstorm Force Starter Templates astra-sites allows Stored XSS.This issue affects Starter Templates: from n/a through 4.7.7.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-05 · last modified 2026-10-05.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

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

Brainstorm Force Starter Templates

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

patchstack.com/database/wordpress/plugin/astra-sites/vulnerability/wordpress-st… (vdb-entry)

Frequently asked questions

What is CVE-2026-102393?: CVE-2026-102393 is a medium-severity vulnerability in Brainstorm Force Starter Templates, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2026-10-05.
How severe is CVE-2026-102393?: Medium severity. CVSS v3 base score is 6.5 out of 10.