What is CVE-2026-42611?

CVE-2026-42611 is a high-severity vulnerability in Getgrav Grav, classified under Cross-site Scripting. CVSS score: 8.9/10. Published 2026-05-11.

How severe is CVE-2026-42611?

High severity. CVSS v3 base score is 8.9 out of 10.

XSS in Getgrav Grav

CVE-2026-42611

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged (with the ability to create a page) user can cause XSS with the injection of svg element. The XSS can further be escalated to dump the entire system information ava…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (13.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.9 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:H.

Affected products

Getgrav Grav — versions < 2.0.0-beta.2, 2.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2026-42611?: CVE-2026-42611 is a high-severity vulnerability in Getgrav Grav, classified under Cross-site Scripting. CVSS score: 8.9/10. Published 2026-05-11.
How severe is CVE-2026-42611?: High severity. CVSS v3 base score is 8.9 out of 10.