Vulnerability · Published Sep 30, 2022 · Assigned by fedora

CVE-2022-40313

High 7.1

In plain English

A high-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 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.1High

Exploit odds (30 days)0.7%top 46.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Recursive rendering of Mustache template helpers containing user input could, in some cases, result in an XSS risk or a page failing to load.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Packagist	moodle/moodle	3.9.17	GHSA-jqgr-gh62-jf53
Packagist	moodle/moodle	3.11.10	GHSA-jqgr-gh62-jf53
Packagist	moodle/moodle	4.0.4	GHSA-jqgr-gh62-jf53

Affected products (as reported)

Vendor	Product	Versions
n/a	moodle	4.0 to 4.0.3, 3.11 to 3.11.9, 3.9 to 3.9.16 and earlier unsupported versions

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

References

https://bugzilla.redhat.com/show_bug.cgi?id=2128146 x_refsource_MISC
https://moodle.org/mod/forum/discuss.php?d=438392 x_refsource_MISC