CVE-2026-42612: Grav Vulnerable to Publisher-Level Stored XSS via Unquoted Event Attributes

high Affects getgrav/grav. Feed 2026.10.29.4, updated 2026-10-29; published 2026-05-05; advisory modified 2026-09-10.

Grav Vulnerable to Publisher-Level Stored XSS via Unquoted Event Attributes

Package: getgrav/grav Composer
Affected versions: <2.0.0-beta.2
Fixed in: 2.0.0-beta.2
Severity: high CVSS 8.5
Exploitation: not on CISA KEV · EPSS 0% (14.8th percentile)
Published: 2026-05-05
Source: osv.dev

References

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

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