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CVE-2023-5550: Moodle Code Injection vulnerability

medium Affects moodle/moodle. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

Moodle Code Injection vulnerability

Package
moodle/moodle Composer
Affected versions
>=4.3.0-beta and <4.3.0-rc2 or >=4.2.0 and <4.2.3 or >=4.1.0 and <4.1.6 or >=4.0.0 and <4.0.11 or >=3.10.0 and <3.11.17 or <3.9.24
Fixed in
4.3.0-rc2, 4.2.3, 4.1.6, 4.0.11, 3.11.17, 3.9.24
Severity
medium  CVSS 6.5
Exploitation
not on CISA KEV · EPSS 2% (76.0th percentile)
Published
2023-11-09
Source
osv.dev

References

CWE-94
NVD recordmoodle/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

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