CVE-2011-4278: Moodle XSS In Tag Autocomplete functionality

medium Affects moodle/moodle. Feed 2026.10.29.1, updated 2026-10-28; published 2022-05-13; advisory modified 2024-01-17.

Moodle XSS In Tag Autocomplete functionality

Package: moodle/moodle Composer
Affected versions: <1.9.11 or >=2.0 and <2.0.2
Fixed in: 1.9.11, 2.0.2
Severity: medium
Exploitation: not on CISA KEV · EPSS 2% (78.8th percentile)
Published: 2022-05-13
Source: osv.dev

References

CWE-79

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