CVE-2026-124434

HighCVSS 7.1/10Last modified Nov 12, 2026

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.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

Weakness enumeration

CWE-200

Affected software

No affected versions have been published.

Timeline

Published: Nov 8, 2026
Last modified: Nov 12, 2026
NVD status: Deferred

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