Which products and versions are affected by CVE-2023-28651?

Affected: Conprosys Hmi System (Contec); CONPROSYS HMI System (CHS) versions >= versions prior to 3.5.3. The full list is in the CVE brief.

Is CVE-2023-28651 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2023-28651 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2023-28651?

No public exploit code is known.

Is there a fix for CVE-2023-28651?

Fixed versions are available, including Conprosys Hmi System 3.5.3.

How urgently should CVE-2023-28651 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Request A Demo

Vulnerability Intelligence

CVE-2023-28651

Medium

Cross-site scripting vulnerability exists in CONPROSYS HMI System (CHS) versions prior to 3.5.3.

Published May 31, 2023 · Updated Jan 9, 2025

Key Facts

Patch immediately

CVE-2023-28651 is a medium-severity vulnerability (CVSS 4.8 v3.1) affecting Conprosys Hmi System (Contec), CONPROSYS HMI System (CHS).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 62% probability of exploitation in the next 30 days.
Fixed versions are available, including Conprosys Hmi System 3.5.3.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

4.8

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS (30-day exploit likelihood)

62%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2023-28651 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Cross-site scripting vulnerability exists in CONPROSYS HMI System (CHS) versions prior to 3.5.3. If a user who can access the affected product with an administrative privilege configures specially crafted settings, an arbitrary script may be executed on the web browser of the other user who is accessing the affected product with an administrative privilege.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Conprosys Hmi SystemContec	See advisory	3.5.3
CONPROSYS HMI System (CHS)	>= versions prior to 3.5.3	n/a

Patched Releases

Conprosys Hmi System

3.5.3

Timeline

Publicly disclosed
May 31, 2023
Last updated
Jan 9, 2025

Weakness Type

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

References

FAQ

Common Questions.

Cross-site scripting vulnerability exists in CONPROSYS HMI System (CHS) versions prior to 3.5.3.
Affected: Conprosys Hmi System (Contec); CONPROSYS HMI System (CHS) versions >= versions prior to 3.5.3. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Conprosys Hmi System 3.5.3.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2023-28651 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.