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TI-2023-04422 Aliases CVE-2023-4805GHSA-fj34-c7pj-j8xq

Tutor LMS < 2.3.0 - Subscriber+ Stored Cross-Site Scripting

Priority MEDIUM 58Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

The Tutor LMS WordPress plugin before 2.3.0 does not sanitise and escape some of its settings, which could allow users such as subscriber to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00471 40th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Tutor LMS (Unknown): 2.3.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
UnknownTutor LMSbefore 2.3.02.3.0Patch availableCNA
  • Tutor LMS VendorUnknown Affected before 2.3.0 Fixed in 2.3.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:themeum:tutor_lms:*:*:*:*:*:wordpress:*:*before 2.3.0Vulnerablethemeum
  • cpe:2.3:a:themeum:tutor_lms:*:*:*:*:*:wordpress:*:* Versions before 2.3.0 Vulnerable ·themeum

Remediation

  • Fix · CNA Tutor LMS (Unknown) Fixed in 2.3.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-4805
  2. 2026-10-03 Alias added: GHSA-fj34-c7pj-j8xq

References

  • 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-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
  • TI-2023-10976 WordPress Tutor LMS Plugin <= 2.1.10 is vulnerable to SQL Injection CVSS 3.1CRITICAL 9.8
See all 48 →

Sources