CVE-2024-33939 | WordPress LMS by Masteriyo plugin <= 1.7.3 - Broken Authentication vulnerability

Authentication Bypass Using an Alternate Path or Channel vulnerability in masteriyo Masteriyo - LMS learning-management-system.This issue affects Masteriyo - LMS: from n/a through <= 1.7.3.

Published: 2025-05-19 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2024-33939 is rated Moderate Risk (55.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 7.46%, 92th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.03% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-33939

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-24 5.43% 7.46% +2.03%
2 2026-05-22 4.08% 5.43% +1.36%
3 2026-05-03 4.08%

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-33939

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 [email protected]

Weakness enumeration for CVE-2024-33939

Affected software / configurations for CVE-2024-33939

Vendor Product Version Raw CPE
themegrill masteriyo < 1.7.4 cpe:2.3:a:themegrill:masteriyo:*:*:*:*:free:wordpress:*:*

References for CVE-2024-33939

cvelogic Threat Intelligence