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TI-2026-23944 Aliases CVE-2026-31382GHSA-gg42-9683-x2xj

Gainsight Assist reflected XSS/HTML injection

Priority LOW 27CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00255 17th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GainsightGainsight Assist——Not affectedCNA
  • Gainsight Assist VendorGainsight Affected — Fixed in — Not affected CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gainsight:assist:-:*:*:*:*:*:*:*not specified by NVDVulnerableGainsight
  • cpe:2.3:a:gainsight:assist:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Gainsight

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Gainsight Assist — communities.gainsight.com/community-news-2/recent-gainsight…

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-23943 Gainsight Assist plugin information disclosurePriority LOW 30
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-31382
  2. 2026-10-03 Alias added: GHSA-gg42-9683-x2xj

References

Exploit 1

Advisory 1

  • TI-2026-23943 Gainsight Assist plugin information disclosure CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences