CVE-2018-10891: Moodle XSS Vulnerability

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

Moodle XSS Vulnerability

Package
moodle/moodle Composer
Affected versions
>=3.5.0 and <3.5.1 or >=3.4.0 and <3.4.4 or >=3.3.0 and <3.3.7 or >=3.2.0 and <3.2.10 or >=3.1.0 and <3.1.13
Fixed in
3.5.1, 3.4.4, 3.3.7, 3.2.10, 3.1.13
Severity
high  CVSS 7.3
Exploitation
not on CISA KEV · EPSS 2% (81.3th percentile)
Published
2022-05-13
Source
osv.dev

References

CWE-20
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.

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