CVE-2025-66309: Grav is vulnerable to Cross-Site Scripting (XSS) Reflected endpoint /admin/pages/[page], parameter data[header][content][items], located in the "Blog Config" tab

medium Affects getgrav/grav. Feed 2026.10.29.4, updated 2026-10-29; published 2025-12-02; advisory modified 2026-09-10.

Grav is vulnerable to Cross-Site Scripting (XSS) Reflected endpoint /admin/pages/[page], parameter data[header][content][items], located in the "Blog Config" tab

Package: getgrav/grav Composer
Affected versions: <1.8.0-beta.27
Fixed in: 1.8.0-beta.27
Severity: medium
Exploitation: not on CISA KEV · EPSS 0% (14.0th percentile)
Published: 2025-12-02
Source: osv.dev

References

CWE-79

NVD record getgrav/grav advisories

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