Tutor LMS <= 1.9.8 - Admin+ Stored Cross-Site Scripting

2021-09-20 00:00

Shivam Rai

Strategic Overview

Status

Patched in 1.9.9

Affected PluginTutor LMS – eLearning and online course solution

Affected Version< 1.9.9

CVSS5.5Medium

CVECVE-2021-24740

View all Tutor LMS – eLearning and online course solution vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 1.9.9, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24740 https://www.wordfence.com/threat-intel/vulnerabilities/id/6db9c59e-16bc-4e61-9040-7000b212675f

CVSS Vector

5.5

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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