What is CVE-2026-61456?

CVE-2026-61456 is a medium-severity vulnerability in Getgrav Grav, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2026-07-10.

How severe is CVE-2026-61456?

Medium severity. CVSS v3 base score is 4.6 out of 10.

XSS in Getgrav Grav

CVE-2026-61456

The Grav API plugin (getgrav/grav-plugin-api) before 1.0.3 fails to sanitize SVG files uploaded through the POST /api/v1/media endpoint. The HandlesMediaUploads::processUploadedFile() method validates only the file extension and never invo…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

Getgrav Grav — versions 0, 1.0.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-61456?: CVE-2026-61456 is a medium-severity vulnerability in Getgrav Grav, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2026-07-10.
How severe is CVE-2026-61456?: Medium severity. CVSS v3 base score is 4.6 out of 10.