VULNERABILITY INTELLIGENCE
CVE-2011-4586
CVSS score5 MEDIUM
EPSS probability2.10%
CISA KEVNot currently listed
Published2012-07-20
Last modified2026-06-16
Description
CRLF injection vulnerability in calendar/set.php in the Calendar subsystem in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.