CVE-2022-39295 - CVE House
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Status published Medium CVE-2022-39295

Improper Neutralization of Alternate XSS Syntax in Knowage-Server

Vulnerability Description

Knowage is an open source suite for modern business analytics alternative over big data systems. KnowageLabs / Knowage-Server starting with the 6.x branch and prior to versions 7.4.22, 8.0.9, and 8.1.0 is vulnerable to cross-site scripting because the `XSSRequestWrapper::stripXSS` method can be bypassed. Versions 7.4.22, 8.0.9, and 8.1.0 contain patches for this issue. There are no known workarounds.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2025-55007
Knowage vulnerable to server-side request forgery
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CVE-2023-38702
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CVE-2023-37472
Query injection in Knowage server
High 7.7

Affected Vendor

KnowageLabs

View all reports →

Affected Software

Knowage-Server
Vulnerable Versions:
>= 6.0, < 7.4.22, >= 8.0, < 8.0.9

Timeline

Official Publish: October 13th, 2022
Last Modified: April 22nd, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-87 CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact