XSS in Accellion Kiteworks

CVE-2026-24752

Kiteworks is a private data network (PDN). Prior to version 9.3.0, a reflected XSS vulnerability in Kiteworks Secure Data Forms could allow an external attacker to trick a user into executing arbitrary JavaScript code. Upgrade Kiteworks to version 9.3.0 or later to receive a patch.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-24752: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-24752?
CVE-2026-24752 is a high-severity vulnerability in Accellion Kiteworks, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2026-06-01.
How severe is CVE-2026-24752?
High severity. CVSS v3 base score is 8.2 out of 10.