CVE-2022-39295

Improper Neutralization of Alternate XSS Syntax in Knowage-Server

MEDIUM

6.1

CVSS Score

Published: October 13, 2022 at 12:00 AM UTC

Updated: June 17, 2026 at 04:58 AM UTC

2 products affected across 2 vendorsKnowageKnowage

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Severity

MEDIUM6.1

Exploit prediction

EPSS 0.7%

SSVC

PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Knowage · Eng

95%

6.1.0 ≤ v < 7.4.228.0.0 ≤ v < 8.0.9

Affected range stops below 7.4.22, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.0.9, so it looks safe — our inference, not a vendor statement

Knowage · Knowagelabs

60%

v < 7.4.22v < 8.0.9

Affected range stops below 7.4.22, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.0.9, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

ExploitThird Party Advisory

Source: [email protected]

https://github.com/KnowageLabs/Knowage-Server/blob/b079a654c1708f82f6914c55be6715ad621d9edd/knowageutils/src/main/java/it/eng/spagobi/utilities/filters/XSSRequestWrapper.java#L82-L206

Third Party Advisory

Source: [email protected]

https://github.com/KnowageLabs/Knowage-Server/security/advisories/GHSA-f2gr-6h9j-rwcw

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMGitHub_M

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-79CWE-87

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