Medium severity · published Oct 13, 2022
CVE-2022-39295
Improper Neutralization of Alternate XSS Syntax in Knowage-Server
6.1
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KN
Knowage-Server · KnowageLabs
>= 6.0, < 7.4.22; >= 8.0, < 8.0.9 · source: vendor
KN
Knowage · Eng
6.1.0 before 7.4.22; 8.0.0 before 8.0.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-39295
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-39295
Exploit
https://github.com/KnowageLabs/Knowage-Server/blob/b079a654c1708f82f6914c55be6715ad621d9edd/knowageutils/src/main/java/it/eng/spagobi/utilities/filters/XSSRequestWrapper.java#L82-L206
Third Party Advisory
https://github.com/KnowageLabs/Knowage-Server/security/advisories/GHSA-f2gr-6h9j-rwcw
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