CVE-2021-30211

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-12 · updated 2026-06-17
Weakness: CWE-79

Description

Knowage Suite 7.3 is vulnerable to Stored Cross-Site Scripting (XSS). An attacker can inject arbitrary web script in '/knowage/restful-services/signup/update' via the 'surname' parameter.

Affected products

KnowageLabs Knowage-Server: 7.3.0

References

https://github.com/piuppi/Proof-of-Concepts/blob/main/Engineering/Stored-XSS-KnowageSuite7-3-surname.md
https://github.com/piuppi/Proof-of-Concepts/blob/main/Engineering/Stored-XSS-KnowageSuite7-3-surname.md

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