Is getgrav/grav affected by CVE-2026-55890?

Packagist getgrav/grav is affected in <2.0.0-rc.9.

Is CVE-2026-55890 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

medium

CVE-2026-55890

Q: Is CVE-2026-55890 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

Packagist · getgrav/grav

Summary

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

Severity: medium
EPSS: 0.3% (p23)
Also known as: GHSA-pmf8-g7c8-7v54
Published: 2026-06-18

References

Related advisories

GHSA-vj3m-2g9h-vm4p — critical · Packagist/getgrav/grav
CVE-2026-42613 — critical · Packagist/getgrav/grav
CVE-2026-42607 — critical · Packagist/getgrav/grav
CVE-2025-66844 — critical · Packagist/getgrav/grav
CVE-2026-62669 — high · Packagist/getgrav/grav
CVE-2026-64850 — high · Packagist/getgrav/grav
CVE-2026-62673 — high · Packagist/getgrav/grav
CVE-2026-53653 — high · Packagist/getgrav/grav

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.