Medium severity6.1NVD Advisory· Published Nov 22, 2021· Updated Jun 17, 2026
CVE-2021-43558
CVE-2021-43558
Description
A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A URL parameter in the filetype site administrator tool required extra sanitizing to prevent a reflected XSS risk.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
moodle/moodlePackagist | >= 3.11.0, < 3.11.4 | 3.11.4 |
moodle/moodlePackagist | >= 3.10.0, < 3.10.8 | 3.10.8 |
moodle/moodlePackagist | >= 3.9.0, < 3.9.11 | 3.9.11 |
Affected products
6- Moodle/Moodledescription
- ghsa-coords2 versions
>= 3.11.0, < 3.11.4+ 1 more
- (no CPE)range: >= 3.11.0, < 3.11.4
- (no CPE)range: < 3.8.9
- cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
4- moodle.org/mod/forum/discuss.phpnvdPatchVendor AdvisoryWEB
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party AdvisoryWEB
- github.com/advisories/GHSA-wpfp-q843-v772ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-43558ghsaADVISORY
News mentions
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