CVE-2020-28930

Name: CVE-2020-28930
Creator: NVD / NIST
Published: 2020-12-16T21:15:12.933+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2020-28930 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A Cross-Site Scripting (XSS) issue in the 'update user' and 'delete user' functionalities in settings/users.php in EPSON EPS TSE Server 8 (21.0.11) allows an authenticated attacker to inject a JavaScript payload in the user management page that is executed by an administrator.. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

A Cross-Site Scripting (XSS) issue in the 'update user' and 'delete user' functionalities in settings/users.php in EPSON EPS TSE Server 8 (21.0.11) allows an authenticated attacker to inject a JavaScript payload in the user management page that is executed by an administrator.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.63%

45.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Epson	Eps Tse Server 8 Firmware	21.0.11

References

https://blog.bssi.fr/multiple-vulnerabilities-within-epson-eps-tse-server-8/#vulnerability-2Exploit, Third Party Advisory
https://blog.bssi.fr/multiple-vulnerabilities-within-epson-eps-tse-server-8/#vulnerability-2Exploit, Third Party Advisory

Timeline

Published: Dec 16, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28930?

How severe is CVE-2020-28930?

CVE-2020-28930 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28930?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28930?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST