CVE-2021-24455 - CVE House
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Status published Medium CVE-2021-24455

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

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Phu Tran from techlabcorp.com

Affected Vendor

Affected Software

Tutor LMS – eLearning and online course solution
Vulnerable Versions:
1.9.2

Timeline

Official Publish: August 2nd, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)