What is CVE-2026-61453?

CVE-2026-61453 is a medium-severity vulnerability in Getgrav Grav, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-07-15.

How severe is CVE-2026-61453?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Getgrav Grav

CVE-2026-61453

Grav v2.0.0 contains a cross-site scripting vulnerability (fixed in 2.0.1). The XSS blueprint validator (Security::detectXss()) runs on raw page content before Twig processing. When Twig content processing is enabled (twig_content.process_…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Getgrav Grav — versions 0, 2.0.1

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-2026-61453?: CVE-2026-61453 is a medium-severity vulnerability in Getgrav Grav, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-07-15.
How severe is CVE-2026-61453?: Medium severity. CVSS v3 base score is 6.1 out of 10.