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TI-2021-19005 Aliases CVE-2021-42841GHSA-p7q5-gpw3-mqfx

Insta HMS before 12.4.10 is vulnerable to XSS because of improper validation of…

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.0088 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:practo:insta_hms:*:*:*:*:*:*:*:*before 12.4.10VulnerablePracto
  • cpe:2.3:a:practo:insta_hms:*:*:*:*:*:*:*:* Versions before 12.4.10 Vulnerable ·Practo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42841
  2. 2026-10-03 Alias added: GHSA-p7q5-gpw3-mqfx

References

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Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences