The redirect URI in the LTI authorization endpoint required extra sanitizing to prevent reflected XSS and open redirect risks. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8 and earlier unsupported versions are affected.
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This medium-severity CVE scores 6.1 under NVD CVSS v3. EPSS exploit probability: 3.4%, top 12% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
The redirect URI in the LTI authorization endpoint required extra sanitizing to prevent reflected XSS and open redirect risks. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8 and earlier unsupported versions are affected.
March 11, 2022
November 21, 2024
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| moodle/moodle | v3.8.0 ... v3.8.8 (11 versions) | 3.8.9 | — |
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
Moodle 3.8-3.10.3 - Reflected XSS & Open Redirect
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-32478
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