Advisories

Grav Lightbox Gallery 1.1.0 before 1.3.2 File Read via Shortcode Media Actions

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Severity
high
Date
Affecting
  • grav >= 1.1.0, < 1.3.2

CWE
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
slalabs
Description
Grav Lightbox Gallery plugin 1.1.0 before 1.3.2 on Grav 2.x calls any medium method named in image, thumb or thumb_options shortcode values without core's allowed media action check. A page editor can chain addMetaFile with value, toYaml or toJson to read server-readable YAML files, such as account password hashes, 2FA secrets and API keys, into a publicly viewable page.

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