CVE-2021-42664

Public Exploit

Description

A Stored Cross Site Scripting (XSS) Vulneraibiilty exists in Sourcecodester Engineers Online Portal in PHP via the (1) Quiz title and (2) quiz description parameters to add_quiz.php. An attacker can leverage this vulnerability in order to run javascript commands on the web server surfers behalf, which can lead to cookie stealing and more.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.89% Top 20%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory github.com Third-Party Advisory exploit-db.com Third-Party Advisory sourcecodester.com
Affected: n/a n/a
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-42664?
CVE-2021-42664 has been scored as a medium severity vulnerability.
How to fix CVE-2021-42664?
To fix CVE-2021-42664, 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-2021-42664 being actively exploited in the wild?
It is possible that CVE-2021-42664 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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