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TI-2021-15636 Aliases CVE-2021-37788GHSA-f959-ggj2-2q4j

A vulnerability in the web UI of Gurock TestRail v5.3.0.3603 could allow an…

Priority LOW 28CWE-1021Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Spoofing
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-1021.

Summary

A vulnerability in the web UI of Gurock TestRail v5.3.0.3603 could allow an unauthenticated, remote attacker to affect the integrity of a device via a clickjacking attack. The vulnerability is due to insufficient input validation of iFrame data in HTTP requests that are sent to an affected device. An attacker could exploit this vulnerability by sending crafted HTTP packets with malicious iFrame data. A successful exploit could allow the attacker to perform a clickjacking attack where the user is tricked into clicking a malicious link.

Why it matters now

EPSS 0.01525 74th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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:gurock:testrail:5.3.0.3603:*:*:*:*:*:*:*5.3.0.3603VulnerableGurock
  • cpe:2.3:a:gurock:testrail:5.3.0.3603:*:*:*:*:*:*:* Versions 5.3.0.3603 Vulnerable ·Gurock

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-37788
  2. 2026-10-03 Alias added: GHSA-f959-ggj2-2q4j

References

Exploit 1

  • TI-2021-17796 Improper Access Control in Gurock TestRail versions < 7.2.0.3014 resulted in sensitive… CVSS 3.1HIGH 7.5
  • TI-2021-14789 Cross Site Scripting (XSS) vulnerability in Gurock TestRail before 7.1.2 allows remote… CVSS 3.1MEDIUM 5.4
  • TI-2018-14224 An issue was discovered in Gurock TestRail 5.6.0.3853. CVSS 3.0HIGH 8.8
  • TI-2019-05320 index.php in Gurock TestRail 5.3.0.3603 returns potentially sensitive information for an… CVSS 3.0MEDIUM 5.3
  • TI-2021-19937 Gurock TestRail before 7.2.4 mishandles HTML escaping. CVSS 3.1MEDIUM 5.4
  • TI-2014-03995 Cross-site scripting (XSS) vulnerability in Gurock TestRail before 3.1.3 allows remote… CVSS 2.0MEDIUM 4.3

Sources

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