CVE-2022-3073 | Quaonos Schema ST4 example templates prone to XSS

Quanos "SCHEMA ST4" example web templates in version Bootstrap 2019 v2/2021 v1/2022 v1/2022 SP1 v1 or below are prone to JavaScript injection allowing a remote attacker to hijack existing sessions to e.g. other web services in the same environment or execute scripts in the users browser environment. The affected script is '*-schema.js'.

Published: 2022-12-14 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-3073 is rated Low Risk (37.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.45%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-3073

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.19% 0.45% +0.26%
2 2025-12-15 0.12% 0.19% +0.07%
3 2025-11-21 — 0.12% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-3073

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 2.7 [email protected]

Weakness enumeration for CVE-2022-3073

Affected software / configurations for CVE-2022-3073

Vendor Product Version Raw CPE
weidmueller 19_iot_md01_lan_h4_s0011_firmware — cpe:2.3:o:weidmueller:19_iot_md01_lan_h4_s0011_firmware:-:*:*:*:*:*:*:*
weidmueller fp_iot_md01_4eu_s2_00000_firmware — cpe:2.3:o:weidmueller:fp_iot_md01_4eu_s2_00000_firmware:-:*:*:*:*:*:*:*
weidmueller fp_iot_md01_lan_s2_00000_firmware — cpe:2.3:o:weidmueller:fp_iot_md01_lan_s2_00000_firmware:-:*:*:*:*:*:*:*
weidmueller fp_iot_md01_lan_s2_00011_firmware — cpe:2.3:o:weidmueller:fp_iot_md01_lan_s2_00011_firmware:-:*:*:*:*:*:*:*
weidmueller fp_iot_md02_4eu_s3_00000_firmware — cpe:2.3:o:weidmueller:fp_iot_md02_4eu_s3_00000_firmware:-:*:*:*:*:*:*:*
weidmueller iot-gw30_firmware <= 1.16.0 cpe:2.3:o:weidmueller:iot-gw30_firmware:*:*:*:*:*:*:*:*
weidmueller iot-gw30-4g-eu_firmware <= 1.16.0 cpe:2.3:o:weidmueller:iot-gw30-4g-eu_firmware:*:*:*:*:*:*:*:*
weidmueller uc20-wl2000-ac_firmware <= 1.16.0 cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:*:*:*:*:*:*:*:*
weidmueller uc20-wl2000-iot_firmware <= 1.16.0 cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:*:*:*:*:*:*:*:*

References for CVE-2022-3073

URL Tags
https://cert.vde.com/de/advisories/VDE-2022-056/ Third Party Advisory
cvelogic Threat Intelligence