CVE-2023-28777

WordPress LearnDash LMS Plugin <= 4.5.3 is vulnerable to SQL Injection

8.5 High

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in LearnDash LearnDash LMS allows SQL Injection.This issue affects LearnDash LMS: from n/a through 4.5.3.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: Low

Exploit likelihood

0.69%Up 0.7 points since Nov 1, 2023

What each source reports

CVE List Score used 8.5

WordPress LearnDash LMS Plugin <= 4.5.3 is vulnerable to SQL Injection

Record: CVE-2023-28777
CVSS 3.1: 8.5 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

EUVDEUVD-2023-32412 8.8

Record: EUVD-2023-32412
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-mg8r-5chf-q6gx 8.8

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

Record: GHSA-mg8r-5chf-q6gx
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

NVD 8.5

Record: CVE-2023-28777
CVSS 3.1: 8.5 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-28777 is a high vulnerability (CVSS 8.5) in Learndash, published October 31, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 53rd percentile. No source names a fixed version.