CVE-2026-31382

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-31382
The error_description parameter is vulnerable to Reflected XSS. An attacker can bypass the domain's WAF using a Safari-specific onpagereveal payload.

6.1 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

References
Link Resource
https://communities.gainsight.com/community-news-2/recent-gainsight-assist-plugin-remediations-cve-2026-31381-and-cve-2026-31382-30587 Vendor Advisory
https://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixed/ Third Party Advisory Exploit
Configurations

Configuration 1 (hide)

cpe:2.3:a:gainsight:assist:-:*:*:*:*:*:*:*
History

16 Apr 2026, 15:02

Type Values Removed Values Added
References () https://communities.gainsight.com/community-news-2/recent-gainsight-assist-plugin-remediations-cve-2026-31381-and-cve-2026-31382-30587 - () https://communities.gainsight.com/community-news-2/recent-gainsight-assist-plugin-remediations-cve-2026-31381-and-cve-2026-31382-30587 - Vendor Advisory
References () https://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixed/ - () https://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixed/ - Third Party Advisory, Exploit
CPE cpe:2.3:a:gainsight:assist:-:*:*:*:*:*:*:*
Summary
  • (es) El parámetro error_description es vulnerable a XSS Reflejado. Un atacante puede eludir el WAF del dominio utilizando un payload onpagereveal específico de Safari.
First Time Gainsight
Gainsight assist

23 Mar 2026, 11:16

Type Values Removed Values Added
References
  • () https://communities.gainsight.com/community-news-2/recent-gainsight-assist-plugin-remediations-cve-2026-31381-and-cve-2026-31382-30587 -

20 Mar 2026, 14:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-20 14:16

Updated : 2026-04-16 15:02

NVD link : CVE-2026-31382

Mitre link : CVE-2026-31382

CVE.ORG link : CVE-2026-31382

JSON object : View

Products Affected

gainsight

  • assist
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')