What’s Vulnerable › Vulnerabilities

CVE-2011-4305

• Severity: medium (CVSS 4.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-07-11 · updated 2026-06-16
• Weakness: CWE-189

Description

message/refresh.php in Moodle 1.9.x before 1.9.14 allows remote authenticated users to cause a denial of service (infinite request loop) via a URL that specifies a zero wait time for message refreshing.

Affected products

• Moodle: 1.9.1, 1.9.2, 1.9.3, 1.9.4, 1.9.5, 1.9.6 (+7)

References

• http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=97f258fabb3ebfa7acc7c02cb59de92b01710f99
• http://moodle.org/mod/forum/discuss.php?d=188318
• https://bugzilla.redhat.com/show_bug.cgi?id=747444
• http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=97f258fabb3ebfa7acc7c02cb59de92b01710f99
• http://moodle.org/mod/forum/discuss.php?d=188318
• https://bugzilla.redhat.com/show_bug.cgi?id=747444

Get alerted when CVE-2011-4305 or the next vulnerability affects your stack