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Vulnerabilities

Vulnerability · CVE-2020-27481

goodlayers good_learning_management_system Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Published Oct 10, 2020 · catalog updated Oct 10, 2020 · goodlayers good_learning_management_system Improper Neutralization

Patch now

CVE-2020-27481 is in the CISA known-exploited catalog. Confirm goodlayers good_learning_management_system Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (goodlayers good_learning_management_system Improper Neutralization).
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
10.03%
Remediation
Remediation guidance
Affected products
stated good_learning_management_system · vendor goodlayers good_learning_management_system

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated good_learning_management_system<= 2.1.4
  • vendor goodlayers good_learning_management_systemversion unspecified

How to fix CVE-2020-27481

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2020-27481 is in the CISA known-exploited catalog. Confirm goodlayers good_learning_management_system Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with <= 2.1.4. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 10.03%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 10, 2020 · VulnCheck KEV

    Detected

    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.

  2. Oct 10, 2020 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2020-27481

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-27481

    30-day exploitation probability 10.0%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2020-27481

    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 straig

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.