CVE-2021-44544Network attack vector

Stored script execution via unvalidated name parameter

Published Dec 22, 2021 · Updated Sep 17, 2024

Stored XSS in Delta Electronics DIAEnergie 1.7.5 and earlier allows remote attackers to execute script through a crafted name value. HandlerEnergyType.ashx accepts the name parameter without sufficient validation, allowing injected script content to be stored and later served. No authentication is required to submit the value, but browser-side impact occurs when a user views the affected content.

CVSS severity7.5
High
EPSS probability9.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Delta Electronics DIAEnergie 1.7.5 and earlier allows remote attackers to execute script through a crafted name value. HandlerEnergyType.ashx accepts the name parameter without sufficient validation, allowing injected script content to be stored and later served. No authentication is required to submit the value, but browser-side impact occurs when a user views the affected content.

The record

CVE
CVE-2021-44544
Published
Dec 22, 2021
Updated
Sep 17, 2024
Vendor
Delta Electronics, Inc.
Product
DIAEnergie
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 22, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=All <=1.7.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Delta Electronics, Inc. · DIAEnergieversion=All <=1.7.5

Published CVSS scores

6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3NVDAV:N/AC:M/Au:N/C:N/I:P/A:N
7.5ICS-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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