CVE-2026-31382 — MEDIUM (6.1)

Vulnerability Description

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

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

NONE

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Gainsight	Assist	-

Related Weaknesses (CWE)

CWE-79

References

https://communities.gainsight.com/community-news-2/recent-gainsight-assist-plugiVendor Advisory
https://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assiThird Party AdvisoryExploit

FAQ

What is CVE-2026-31382?

CVE-2026-31382 is a vulnerability with a CVSS score of 6.1 (MEDIUM). The error_description parameter is vulnerable to Reflected XSS. An attacker can bypass the domain's WAF using a Safari-specific onpagereveal payload.

How severe is CVE-2026-31382?

CVE-2026-31382 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-31382?

Check the references section above for vendor advisories and patch information. Affected products include: Gainsight Assist.