Cyber Resilience

CVE-2026-24751

HighUpdated

Published: 01 June 2026

Published
01 June 2026
Modified
17 June 2026
KEV Added
—
Patch
—
CVSS Score v3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
EPSS Score 0.0029 20.6th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-24751 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Accellion Kiteworks. Its CVSS base score is 8.2 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique JavaScript (T1059.007); ranked at the 20.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

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…

more

later to receive a patch.

CWE(s)
CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059.007 JavaScript Execution
Adversaries may abuse various implementations of JavaScript for execution.
attack.mitre.org →
T1204.001 Malicious Link Execution
An adversary may rely upon a user clicking a malicious link in order to gain execution.
attack.mitre.org →
T1566.002 Spearphishing Link Initial Access
Adversaries may send spearphishing emails with a malicious link in an attempt to gain access to victim systems.
attack.mitre.org →
Why these techniques?

Reflected XSS (CWE-79) directly enables delivery of malicious links that execute arbitrary JavaScript in the victim's browser (T1059.007 via T1204.001/T1566.002).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-24752Same product: Accellion Kiteworks
CVE-2026-28272Same product: Accellion Kiteworks
CVE-2026-24750Same product: Accellion Kiteworks
CVE-2026-29092Same product: Accellion Kiteworks
CVE-2026-23514Same product: Accellion Kiteworks
CVE-2026-23636Same product: Accellion Kiteworks
CVE-2026-28269Same product: Accellion Kiteworks
CVE-2026-28270Same product: Accellion Kiteworks
CVE-2026-24782Same product: Accellion Kiteworks
CVE-2025-23635Shared CWE-79

Affected Assets

accellion
kiteworks
≤ 9.3.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation
addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering
addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References