Medium severity5.4NVD Advisory· Published Jan 28, 2021· Updated Jun 17, 2026
CVE-2021-20183
CVE-2021-20183
Description
It was found in Moodle before version 3.10.1 that some search inputs were vulnerable to reflected XSS due to insufficient escaping of search queries.
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 | >= 3.10, < 4.0.0-beta | 4.0.0-beta |
Affected products
4- osv-coords2 versions
< 3.10.1+ 1 more
- (no CPE)range: < 3.10.1
- (no CPE)range: >= 3.10, < 4.0.0-beta
Patches
Vulnerability mechanics
References
4- moodle.org/mod/forum/discuss.phpnvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-xhfx-rm8q-c3xvghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-20183ghsaADVISORY
- github.com/moodle/moodle/commit/dc9de7b0d487b73c23c221dc0b8b6e01654921f3ghsaWEB
News mentions
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