A stored HTML injection vulnerability exists in Knowage Suite version 7.1.

published 2021-04-05 5y ago modified 2026-06-17 4mo ago also EUVD-2021-17001

cvss: 4.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

A stored HTML injection vulnerability exists in Knowage Suite version 7.1. An attacker can inject arbitrary HTML in "/restful-services/2.0/analyticalDrivers" via the 'LABEL' and 'NAME' parameters.

Patch / fix

fixed in 1

eng knowage 7.4

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Exploit prediction

0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/piuppi/Proof-of-Concepts/blob/main/Engineering/HTLM-Injection-KnowageSuite.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

github.com /piuppi/Proof-of-Concepts/blob/main/Engineering/HTLM-Injection-KnowageSuite.md
exploit, third-party-advisory

Sources

CVE List CVE-2021-30057
NVD CVE-2021-30057

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