What’s Vulnerable › Vulnerabilities

CVE-2018-1137

• Severity: high (CVSS 8.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-05-25 · updated 2026-06-17
• Weakness: CWE-20

Description

An issue was discovered in Moodle 3.x. By substituting URLs in portfolios, users can instantiate any class. This can also be exploited by users who are logged in as guests to create a DDoS attack.

Affected products

• Moodle: from 3.1.0 through 3.1.11; from 3.2.0 through 3.2.8; from 3.3.0 through 3.3.5; from 3.4.0 through 3.4.2

References

• http://www.securityfocus.com/bid/104307
• https://moodle.org/mod/forum/discuss.php?d=371204
• http://www.securityfocus.com/bid/104307
• https://moodle.org/mod/forum/discuss.php?d=371204

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