Security Advisory

CVE-2026-55890

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-10 16:17:14

Last updated 2026-07-10 18:39:18

Assigner GitHub_M

CVSS score 4.8

State PUBLISHED

Description

Grav is a file-based Web platform. Prior to 2.0.0-rc.9, Grav's incomplete fix for stored XSS through the Markdown media attribute action (CVE-2026-42841) leaves the sibling MediaObjectTrait::style method reachable through the same Markdown excerpt-action pipeline, allowing an editor to save Markdown image style parameters that are written into the rendered img style attribute without sanitization. This issue is fixed in version 2.0.0-rc.9.

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