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TI-2021-07022 Aliases CVE-2021-24740GHSA-jg5m-x833-wjc6

Tutor LMS < 1.9.9 - Multiple Admin+ Stored Cross-Site Scripting

Priority LOW 23CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
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 WordPress plugin before 1.9.9 does not escape some of its settings before outputting them in attributes, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Why it matters now

EPSS 0.00643 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Tutor LMS – eLearning and online course solution (Unknown): 1.9.9

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 solution1.9.9 to before 1.9.91.9.9Patch availableCNA
  • Tutor LMS – eLearning and online course solution VendorUnknown Affected 1.9.9 to before 1.9.9 Fixed in 1.9.9 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:themeum:tutor_lms:*:*:*:*:*:wordpress:*:*before 1.9.9Vulnerablethemeum
  • cpe:2.3:a:themeum:tutor_lms:*:*:*:*:*:wordpress:*:* Versions before 1.9.9 Vulnerable ·themeum

Remediation

  • Fix · CNA Tutor LMS – eLearning and online course solution (Unknown) Fixed in 1.9.9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24740
  2. 2026-10-03 Alias added: GHSA-jg5m-x833-wjc6
  3. 2026-10-21 EPSS moved to the 50th–90th percentile

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