CVE-2026-31382 - Vulnerability Details - OpenCVE

The error_description parameter is vulnerable to Reflected XSS. An attacker can bypass the domain's WAF using a Safari-specific onpagereveal payload.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Gainsight	Gainsight Assist

No data.

No data.

References

Link	Providers
https://www.spirityenterprise.com/pentest
https://www.spirityenterprise.com/virtual-ciso
https://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixed/

History

Fri, 20 Mar 2026 16:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Gainsight Gainsight gainsight Assist
Vendors & Products		Gainsight Gainsight gainsight Assist

Fri, 20 Mar 2026 14:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 20 Mar 2026 13:45:00 +0000

Type	Values Removed	Values Added
Description		The error_description parameter is vulnerable to Reflected XSS. An attacker can bypass the domain's WAF using a Safari-specific onpagereveal payload.
Title		Gainsight Assist reflected XSS/HTML injection
Weaknesses		CWE-79
References		https://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixed/
Metrics		cvssV3_1 `{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L'}`

MITRE

Status: PUBLISHED

Assigner: rapid7

Published: 2026-03-20T13:04:45.195Z

Updated: 2026-03-20T13:42:41.884Z

Reserved: 2026-03-09T09:05:14.106Z

Link: CVE-2026-31382

Vulnrichment

Updated: 2026-03-20T13:42:38.562Z

NVD

Status : Received

Published: 2026-03-20T14:16:14.727

Modified: 2026-03-20T14:16:14.727

Link: CVE-2026-31382

Redhat

No data.

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