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Unauthenticated Cross Site Scripting (XSS) in Knowledge Base for Documentation, FAQs with AI Assistance <= 17.211.0 versions. (CVE-2026-28187)

0
High
Published: 08/13/2026 (08/13/2026, 15:34:39 UTC)
Source: GCVE Database

Description

An unauthenticated Cross Site Scripting (XSS) vulnerability exists in the Knowledge Base for Documentation and FAQs with AI Assistance in versions up to and including 17.211.0. This vulnerability allows an attacker to inject malicious scripts without authentication, potentially impacting confidentiality, integrity, and availability. The vulnerability is identified as CVE-2026-28187 and has a high severity rating with a CVSS score of 7.1.

CVSS v3.1

Score 7.1high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Affected software

Affected versions
<=17.211.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/13/2026, 17:58:21 UTC

Technical Analysis

CVE-2026-28187 is an unauthenticated Cross Site Scripting (XSS) vulnerability affecting the Knowledge Base for Documentation and FAQs with AI Assistance in versions <= 17.211.0. The vulnerability allows remote attackers to execute arbitrary scripts in the context of the affected application without requiring authentication. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and impacts on confidentiality, integrity, and availability at low levels.

Potential Impact

Successful exploitation could allow an attacker to execute arbitrary scripts in the victim's browser, potentially leading to information disclosure, manipulation of application data, or disruption of service. The vulnerability affects confidentiality, integrity, and availability at low levels but does not require authentication, increasing the risk of exploitation.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Users should monitor vendor communications for updates and apply patches once available. Until then, consider applying any recommended temporary mitigations from the vendor.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-55x8-6vf8-2m59
Osv Schema Version
1.4.0
Aliases
["CVE-2026-28187"]
Ecosystems
[]
Database Specific Severity
HIGH
Cvss Version
3.1

Threat ID: 6a7e0360bf8831d5398f8120

Added to database: 08/13/2026, 17:48:16 UTC

Last enriched: 08/13/2026, 17:58:21 UTC

Last updated: 08/13/2026, 21:41:00 UTC

Views: 2

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