What is CVE-2026-42612?

CVE-2026-42612 is a high-severity vulnerability in Getgrav Grav, classified under Cross-site Scripting. CVSS score: 8.5/10. Published 2026-05-11.

How severe is CVE-2026-42612?

High severity. CVSS v3 base score is 8.5 out of 10.

XSS in Getgrav Grav

CVE-2026-42612

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting (XSS) vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the de…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (9.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.

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-2026-42612?: CVE-2026-42612 is a high-severity vulnerability in Getgrav Grav, classified under Cross-site Scripting. CVSS score: 8.5/10. Published 2026-05-11.
How severe is CVE-2026-42612?: High severity. CVSS v3 base score is 8.5 out of 10.