CVE-2026-31382

Severity CVSS v4.0:

Pending analysis

Type:

CWE-79 Cross-Site Scripting (XSS)

Publication date:

20/03/2026

Last modified:

20/03/2026

Description

The error_description parameter is vulnerable to Reflected XSS. An attacker can bypass the domain&#39;s WAF using a Safari-specific onpagereveal payload.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L CVSS v3.1 Severity and Metrics:

Base Score: 6.10 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): None
Integrity (I): Low
Availability (A): Low

Base Score 3.x

6.10

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixed/