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TI-2026-42476 Aliases CVE-2026-59513GHSA-g763-qq67-4q57

WordPress Masteriyo - LMS plugin <= 2.3.0 - Cross Site Scripting (XSS) vulnerability

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Subscriber Cross Site Scripting (XSS) in Masteriyo - LMS <= 2.3.0 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00224 13th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
masteriyoMasteriyo - LMSup to 2.3.0—No fix listedCNA
  • Masteriyo - LMS Vendormasteriyo Affected up to 2.3.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-59513
  2. 2026-10-03 Alias added: GHSA-g763-qq67-4q57

References

  • TI-2024-16396 WordPress LMS by Masteriyo plugin <= 1.7.2 - Privilege Escalation vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2026-03894 Masteriyo LMS <= 2.1.6 - Missing Authorization to Authenticated (Student+) Privilege Escalation to Administrator CVSS 3.1HIGH 8.8
  • TI-2026-44383 WordPress Masteriyo - LMS plugin <= 3.4.0 - PHP Object Injection vulnerability CVSS 3.1HIGH 8.8
  • TI-2024-09288 Missing authorization in Masteriyo LMS – Online Course Builder for eLearning, LMS &… CVSS 3.1HIGH 8.8
  • TI-2024-28829 WordPress Masteriyo LMS plugin <= 1.11.4 - Broken Access Control vulnerability CVSS 3.1HIGH 7.5
  • TI-2024-28892 WordPress Masteriyo LMS plugin <= 1.11.4 - Insecure Direct Object Reference (IDOR) vulnerability CVSS 3.1HIGH 8.1
See all 17 →

Sources