CVSS v3
8.7
HIGH
EPSS Score
0.4 %
exploit probability, as of 2026-10-01
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Kiteworks Core before version 9.5.0 is vulnerable to Stored Cross-Site Scripting. A stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an authenticated user to submit content that, when later viewed by another user, executes arbitrary JavaScript in that user's authenticated session. This could be used to perform actions on the victim's behalf and may have permitted account takeover, including of higher-privileged users. Exploitation requires the victim to view the attacker-
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- Published
- 2026-09-30
- Last Modified
- 2026-10-01
Frequently asked questions
What is CVE-2026-102100?
Kiteworks Core before version 9.5.0 is vulnerable to Stored Cross-Site Scripting. A stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an authenticated user to submit content that, when later viewed by another user, executes arbitrary JavaScript in that user's authenticated session. This could be used to perform actions on the victim's behalf and may have permitted account takeover, including of higher-privileged users. Exploitation requires the victim to view the attacker-
Is CVE-2026-102100 actively exploited?
Active exploitation of CVE-2026-102100 has not been confirmed. Its EPSS score was 0.4% on 2026-10-01, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-102100?
CVE-2026-102100 has a CVSS v3 base score of 8.7 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.
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