Kiteworks Secure Data Forms Vulnerable to Cross-site Scripting

published 2026-06-01 5 mo ago modified 2026-07-22 3 mo ago also EUVD-2026-33837

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits: 0; none known

Kiteworks is a private data network (PDN). Prior to version 9.3.0, a stored XSS vulnerability in Kiteworks Secure Data Forms could allow an authenticated attacker to execute arbitrary JavaScript code in other users' sessions. Upgrade Kiteworks to version 9.3.0 or later to receive a patch.

Patch / fix

fixed in 3

accellion kiteworks 9.3.0
accellion kiteworks_email_protection_gateway 9.3.0
accellion kiteworks_managed_file_transfer 9.3.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 5 mo ago (2026-06-02)

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

kiteworks security-advisories

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /kiteworks/security-advisories/security/advisories/GHSA-gxvv-hwgc-w7gh
vendor-advisory

Sources

CVE List CVE-2026-24754
NVD CVE-2026-24754

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary