CVE-2026-31382 describes a Reflected Cross-Site Scripting (XSS) vulnerability within the `error_description` parameter, specifically identified as impacting Gainsight Assist. An unauthenticated attacker can exploit this flaw by leveraging a Safari-specific `onpagereveal` payload to bypass Web Application Firewalls (WAFs), though user interaction is required. Rated with a CVSS v3.1 score of 6.1 (Medium), the vulnerability carries low integrity and availability impacts, with no confidentiality impact. There is no evidence of active exploitation, and no public exploit code is available; however, community discussions confirm its existence and indicate that the issue has been addressed.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:gainsight:assist:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.