XSS Risk in Mustache Template Helpers in Moodle by Moodle
CVE-2022-40313

7.1HIGH

Key Information:

Vendor

Moodle
Status
Moodle
Vendor
CVE Published:
30 September 2022

What is CVE-2022-40313?

The vulnerable aspect involves the recursive rendering of Mustache template helpers containing user input, which can lead to a potential XSS risk or result in a failure for the page to load correctly. This vulnerability can be exploited if an attacker provides malicious input, which may not be properly sanitized, causing unintended script execution in a user's browser.

Affected Version(s)

moodle 4.0 to 4.0.3, 3.11 to 3.11.9, 3.9 to 3.9.16 and earlier unsupported versions

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

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.