What’s Vulnerable › Vulnerabilities

CVE-2020-27481

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 9.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-12 · updated 2026-06-17
• Weakness: CWE-89

Description

An unauthenticated SQL Injection vulnerability in Good Layers LMS Plugin <= 2.1.4 exists due to the usage of "wp_ajax_nopriv" call in WordPress, which allows any unauthenticated user to get access to the function "gdlr_lms_cancel_booking" where POST Parameter "id" was sent straight into SQL query without sanitization.

Affected products

• GoodLayers Good Learning Management System: through 2.1.4

References

• https://gist.github.com/0xx7/a7aaa8b0515139cf7e30c808c8d54070
• https://gist.github.com/0xx7/a7aaa8b0515139cf7e30c808c8d54070

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