CVE-2021-20279
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
Moodle contains Stored XSS via ID number user profile field
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | moodle/moodle | >=3.10,<3.10.2 | 3.10.2 |
| Packagist | moodle/moodle | >=3.9,<3.9.5 | 3.9.5 |
| Packagist | moodle/moodle | >=3.8,<3.8.8 | 3.8.8 |
| Packagist | moodle/moodle | >=3.5,<3.5.17 | 3.5.17 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-20279
- https://github.com/moodle/moodle/commit/a7e0ba1e71205ccb0a73dedee414f1a167ee2ed7
- https://bugzilla.redhat.com/show_bug.cgi?id=1939033
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT
- https://moodle.org/mod/forum/discuss.php?d=419650
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.