What is CVE-2023-4495?

CVE-2023-4495 is a medium-severity vulnerability in Easy Chat Server Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-10-04.

How severe is CVE-2023-4495?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2023-4495 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Easy Chat Server Project

CVE-2023-4495

Easy Chat Server, in its 3.1 version and before, does not sufficiently encrypt user-controlled inputs, resulting in a Cross-Site Scripting (XSS) vulnerability stored via /registresult.htm (POST method), in the Resume parameter. The XSS is loaded from /register.ghp.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (29.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Easy_chat_server_project Easy_chat_server
Efs Software Easy Chat Server — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve-coordination@incibe.es (Third Party Advisory)

Frequently asked questions

What is CVE-2023-4495?: CVE-2023-4495 is a medium-severity vulnerability in Easy Chat Server Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-10-04.
How severe is CVE-2023-4495?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-4495 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.