SZ NetChat before 7.9 has XSS in the MyName input field of the Options module.

published 2018-12-23 7y ago modified 2026-06-17 4mo ago also EUVD-2018-12928

cvss: 5.4; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits: 0; none known

SZ NetChat before 7.9 has XSS in the MyName input field of the Options module. Attackers are able to inject commands to compromise the enabled HTTP server web frontend.

Patch / fix

fixed in 1 links 1

the-sz netchat 7.9

vulnerability-lab.com/get_content.php?id=2171 advisory

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Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	5.4	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

vulnerability-lab.com /get_content.php?id=2171
patch, third-party-advisory

Sources

CVE List CVE-2018-20370
NVD CVE-2018-20370

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