CVE-2026-55890: Grav: Stored CSS injection via Markdown image ?style=… reaches MediaObjectTrait::style() — incomplete patch of GHSA-r7fx-8g49-7hhr

medium Affects getgrav/grav. Feed 2026.10.29.1, updated 2026-10-28; published 2026-06-18; advisory modified 2026-09-10.

Grav: Stored CSS injection via Markdown image ?style=… reaches MediaObjectTrait::style() — incomplete patch of GHSA-r7fx-8g49-7hhr

Package: getgrav/grav Composer
Affected versions: <2.0.0-rc.9
Fixed in: 2.0.0-rc.9
Severity: medium CVSS 4.8
Exploitation: not on CISA KEV · EPSS 1% (42.9th percentile)
Published: 2026-06-18
Source: osv.dev

References

CWE-79

NVD record getgrav/grav advisories

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