Vulnerability · Published Nov 22, 2021 · Assigned by fedora
CVE-2021-43558
Medium 6.1
In plain English
A medium-severity cross-site scripting in moodle. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)0.9%top 40.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | moodle/moodle | 3.11.4 | GHSA-wpfp-q843-v772 |
| Packagist | moodle/moodle | 3.10.8 | GHSA-wpfp-q843-v772 |
| Packagist | moodle/moodle | 3.9.11 | GHSA-wpfp-q843-v772 |
Affected products (as reported)
Weakness: CWE-79
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2021515 x_refsource_MISC
- https://moodle.org/mod/forum/discuss.php?d=429097 x_refsource_MISC