CVE-2026-19852: medium-severity vulnerability in CyberTutor NewSiteServer (NSS)
CyberTutor｜NewSiteServer (NSS) - Arbitrary File Upload
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.1epss 0.3%
NewSiteServer (NSS) developed by CyberTutor has an Arbitrary File Upload vulnerability. Unauthenticated remote attackers can upload arbitrary files, including malicious HTML files, thereby achieving effects similar to cross-site scripting.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Affected products
CyberTutor · NewSiteServer (NSS)Related CVEs — CyberTutor NewSiteServer (NSS)
In the same product, most dangerous first.