CVE-2022-30600: Incorrect Calculation in moodle

critical Affects moodle/moodle. Feed 2026.10.29.4, updated 2026-10-29; published 2022-05-19; advisory modified 2024-02-17.

Incorrect Calculation in moodle

Package: moodle/moodle Composer
Affected versions: >=4.0 and <4.0.1 or >=3.9 and <3.9.14 or >=3.10 and <3.10.11 or >=3.11 and <3.11.7
Fixed in: 4.0.1, 3.9.14, 3.10.11, 3.11.7
Severity: critical CVSS 9.8
Exploitation: not on CISA KEV · EPSS 5% (92.3th percentile)
Published: 2022-05-19
Source: osv.dev

References

CWE-682

NVD record moodle/moodle 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.

# 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

Install docs How findings are ranked

Related advisories

CVE-2024-43425 high Moodle Remote Code Execution vulnerability same package: moodle/moodle
CVE-2022-35650 high Moodle Arbitrary file read when importing lesson questions same package: moodle/moodle
CVE-2021-36393 critical Moodle SQL Injection vulnerability same package: moodle/moodle
CVE-2022-0332 critical SQL injection in Moodle same package: moodle/moodle
CVE-2013-3630 medium Moodle Authenticated Spelling Binary Remote Code Execution same package: moodle/moodle
CVE-2018-1133 high Moodle calculated question type allows remote code execution by Question authors same package: moodle/moodle