CVE-2022-42786

Wiesemann & Theis: XSS vulnerability in web interface of the Com-Server family

5.4 Medium

Multiple W&T Products of the ComServer Series are prone to an XSS attack. An authenticated remote Attacker can execute arbitrary web scripts or HTML via a crafted payload injected into the title of the configuration webpage

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.48%Down 0.6 points since Nov 11, 2022

What each source reports

CVE List Score used 5.4

Wiesemann & Theis: XSS vulnerability in web interface of the Com-Server family

Record: CVE-2022-42786
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2022-45849 5.4

Record: EUVD-2022-45849
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-ffmc-cj3h-9wwj 8.0

Multiple W&T Products of the ComServer Series are prone to an XSS attack. An authenticated remote...

Record: GHSA-ffmc-cj3h-9wwj
CVSS 3.1: 8.0 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

NVD 5.4

Record: CVE-2022-42786
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-42786 is a medium vulnerability (CVSS 5.4) in Wiesemann & Theis At-modem-emulator, published November 10, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.48%, the 41st percentile. No source names a fixed version.