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TI-2021-06744 Aliases CVE-2021-24455GHSA-mgxx-qj86-p4ch

Tutor LMS < 1.9.2 - Authenticated Stored Cross-Site Scripting (XSS)

Priority LOW 26CWE-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 · None
Fix status
Fixed

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

Summary

The Tutor LMS – eLearning and online course solution WordPress plugin before 1.9.2 did not escape the Summary field of Announcements (when outputting it in an attribute), which can be created by users as low as Tutor Instructor. This lead to a Stored Cross-Site Scripting issue, which is triggered when viewing the Announcements list, and could result in privilege escalation when viewed by an admin.

Why it matters now

EPSS 0.00747 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Tutor LMS – eLearning and online course solution (Unknown): 1.9.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownTutor LMS – eLearning and online course solution1.9.2 to before 1.9.21.9.2Patch availableCNA
  • Tutor LMS – eLearning and online course solution VendorUnknown Affected 1.9.2 to before 1.9.2 Fixed in 1.9.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:themeum:tutor_lms:*:*:*:*:*:wordpress:*:*before 1.9.2Vulnerablethemeum
  • cpe:2.3:a:themeum:tutor_lms:*:*:*:*:*:wordpress:*:* Versions before 1.9.2 Vulnerable ·themeum

Remediation

  • Fix · CNA Tutor LMS – eLearning and online course solution (Unknown) Fixed in 1.9.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24455
  2. 2026-10-03 Alias added: GHSA-mgxx-qj86-p4ch

References

Exploit 1

  • TI-2024-09629 Tutor LMS <= 2.7.6 - Unauthenticated SQL Injection via rating_filter CVSS 3.1HIGH 7.5
  • TI-2023-02936 Tutor LMS < 2.2.1 - Unauthenticated Access to Tutor LMS Lesson Resources via REST API CVSS 3.1HIGH 7.5
  • TI-2023-00225 Tutor LMS < 2.0.10 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
  • TI-2023-04422 Tutor LMS < 2.3.0 - Subscriber+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 5.4
  • TI-2022-02367 Tutor LMS < 2.0.10 - Admin+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 4.8
  • TI-2024-05054 Authorization bypass in themeum Tutor LMS – eLearning and online course solution CVSS 3.1MEDIUM 4.3
See all 48 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences