All vulnerabilities

Servers and applications

GHSA-fhg3-xwwr-cq26

Publishers can run shell commands through a Markdown image URL

Severity
High
Published
31 Oct 2026
Last changed
31 Oct 2026
Added to UpHeron
3 Nov 2026
Fixed in
2.2.18
Sources
Project advisories (GitHub)

Affected software

SoftwareAffected versions
GravServers and applications · github:getgrav/grav
  • From 2.0.0 before 2.2.18

References