CVE-2021-24455

Public Exploit

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

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.

References

Link	Tags
https://wpscan.com/vulnerability/9ef14cf1-1e04-4125-a296-9aa5388612f9	third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-24455?: CVE-2021-24455 has been scored as a medium severity vulnerability.
How to fix CVE-2021-24455?: To fix CVE-2021-24455, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-24455 being actively exploited in the wild?: It is possible that CVE-2021-24455 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-24455?: CVE-2021-24455 affects Unknown Tutor LMS – eLearning and online course solution.

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Description

Category

CWE-79 – Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

Frequently Asked Questions