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MEDIUM · 6.1

CVE-2021-42841

Insta HMS before 12.4.10 is vulnerable to XSS because of improper validation of user-supplied input by multiple scripts. A remote attacker could exploit this vulnerability via a crafted URL to execute...

Vulnerability Description

Insta HMS before 12.4.10 is vulnerable to XSS because of improper validation of user-supplied input by multiple scripts. A remote attacker could exploit this vulnerability via a crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
PractoInsta Hms< 12.4.10

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2021-42841?

CVE-2021-42841 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Insta HMS before 12.4.10 is vulnerable to XSS because of improper validation of user-supplied input by multiple scripts. A remote attacker could exploit this vulnerability via a crafted URL to execute...

How severe is CVE-2021-42841?

CVE-2021-42841 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42841?

Check the references section above for vendor advisories and patch information. Affected products include: Practo Insta Hms.