What’s Vulnerable › Vulnerabilities

CVE-2020-1756

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-16 · updated 2026-06-17
• Weakness: CWE-20

Description

In Moodle before 3.8.2, 3.7.5, 3.6.9 and 3.5.11, insufficient input escaping was applied to the PHP unit webrunner admin tool.

Affected products

• Moodle: from 3.5.0 before 3.5.11; from 3.6.0 before 3.6.9; from 3.7.0 before 3.7.5; from 3.8.0 before 3.8.2 — fixed in 3.5.11, 3.6.9, 3.7.5, 3.8.2

How to fix

Upgrade to a fixed version: Moodle 3.5.11, 3.6.9, 3.7.5, 3.8.2. Check the vendor advisory for mitigations.

References

• https://moodle.org/mod/forum/discuss.php?d=398352
• https://moodle.org/mod/forum/discuss.php?d=398352

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