CVE-2026-31382: Gainsight Assist reflected XSS/HTML injection
Published Mar 20, 2026
·Updated
The errordescription parameter is vulnerable to Reflected XSS. An attacker can bypass the domain's WAF using a Safari-specific onpagereveal payload.
Affected Software
2 affected components
Gainsight Gainsight Assist
Gainsight Assist
Event History
Mar 20, 2026
CVE Published
via MITRE·01:04 PM
Data Sourced
via MITRE·01:04 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-31382?
CVE-2026-31382 has a severity rating of high due to its potential for reflected XSS attacks.
2
How do I fix CVE-2026-31382?
To fix CVE-2026-31382, you should update Gainsight Assist to the patched version provided by the vendor.
3
What are the potential impacts of CVE-2026-31382?
CVE-2026-31382 may allow attackers to execute arbitrary scripts in the context of a user's session, compromising sensitive information.
4
Is CVE-2026-31382 specific to certain browsers?
Yes, CVE-2026-31382 is specifically noted to leverage Safari-specific features for exploitation.
5
Can I detect CVE-2026-31382 on my system?
You can detect CVE-2026-31382 by monitoring for unusual requests involving the error_description parameter in Gainsight Assist.