CVE-2021-33850 — MEDIUM (5.4)

Vulnerability Description

There is a Cross-Site Scripting vulnerability in Microsoft Clarity version 0.3. The XSS payload executes whenever the user changes the clarity configuration in Microsoft Clarity version 0.3. The payload is stored on the configuring project Id page.

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Microsoft	Clarity	0.3

Related Weaknesses (CWE)

CWE-79

References

https://cybersecurityworks.com/zerodays/cve-2021-33850-stored-cross-site-scriptiExploitThird Party Advisory
https://cybersecurityworks.com/zerodays/cve-2021-33850-stored-cross-site-scriptiExploitThird Party Advisory

FAQ

What is CVE-2021-33850?

CVE-2021-33850 is a vulnerability with a CVSS score of 5.4 (MEDIUM). There is a Cross-Site Scripting vulnerability in Microsoft Clarity version 0.3. The XSS payload executes whenever the user changes the clarity configuration in Microsoft Clarity version 0.3. The paylo...

How severe is CVE-2021-33850?

CVE-2021-33850 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-33850?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Clarity.