CVE-2022-39295

Improper Neutralization of Alternate XSS Syntax in Knowage-Server

6.1 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.71%Down 0.2 points since Oct 14, 2022

What each source reports

CVE List Score used 6.1

Improper Neutralization of Alternate XSS Syntax in Knowage-Server

Record: CVE-2022-39295
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-87, CWE-79
Updated: 2026-11-02

EUVDEUVD-2022-41791 6.1

Record: EUVD-2022-41791
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

NVD 6.1

Record: CVE-2022-39295
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79, CWE-87
Updated: 2026-11-02

OSV 6.1

Improper Neutralization of Alternate XSS Syntax in Knowage-Server

Record: CVE-2022-39295
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79, CWE-87
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-39295 is a medium vulnerability (CVSS 6.1) in Eng Knowage, published October 13, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.71%, the 53rd percentile. No source names a fixed version.