CVE-2021-42841
6.1 · MEDIUMOverview
CVE-2021-42841 is a medium-severity vulnerability affecting practo insta_hms. It was published on January 6, 2022 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from practo. Update insta_hms to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| practo | insta_hms | >= 0, < 12.4.10 | Affected |
Frequently Asked Questions
What is CVE-2021-42841?
CVE-2021-42841 is a medium-severity vulnerability affecting practo insta_hms. It was published on January 6, 2022 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
How severe is CVE-2021-42841?
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-42841?
Check the references section for vendor advisories and patches from practo. Update insta_hms to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-42841?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-42841 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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