Vulnerability · Published Mar 20, 2026 · Assigned by rapid7
CVE-2026-31382Gainsight Assist reflected XSS/HTML injection
Medium 6.1
In plain English
A medium-severity cross-site scripting in Gainsight Assist from Gainsight. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.3%top 82.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The error_description parameter is vulnerable to Reflected XSS. An attacker can bypass the domain's WAF using a Safari-specific onpagereveal payload.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Gainsight | Gainsight Assist | see references |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L