CVE-2026-42843: Grav API Privilege Escalation to Super Admin

high Affects getgrav/grav-plugin-api. Feed 2026.10.29.1, updated 2026-10-28; published 2026-05-05; advisory modified 2026-05-13.

Grav API Privilege Escalation to Super Admin

Package: getgrav/grav-plugin-api Composer
Affected versions: <1.0.0-beta.15
Fixed in: 1.0.0-beta.15
Severity: high CVSS 8.8
Exploitation: not on CISA KEV · EPSS 0% (28.5th percentile)
Published: 2026-05-05
Source: osv.dev

References

CWE-863

NVD record getgrav/grav-plugin-api advisories

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.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

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

Install docs How findings are ranked

Related advisories

CVE-2021-24917 high The WPS Hide Login WordPress plugin before 1.9.1 has a bug which allows to get the secret same weakness: CWE-863
CVE-2022-0482 critical Exposure of Private Personal Information to an Unauthorized Actor in alextselegidis/easyap same weakness: CWE-863
CVE-2020-35948 critical An issue was discovered in the XCloner Backup and Restore plugin before 4.2.13 for WordPre same weakness: CWE-863
CVE-2021-39341 high The OptinMonster WordPress plugin is vulnerable to sensitive information disclosure and un same weakness: CWE-863
CVE-2025-24434 critical Improper Authorization vulnerability in Magento and Adobe Commerce same weakness: CWE-863
CVE-2020-14321 high Moodle Incorrect Authorization vulnerability same weakness: CWE-863