Cyber Resilience

CVE-2023-4663

MediumUpdated

Published: 15 September 2023

Published
15 September 2023
Modified
21 May 2026
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0053 67.4th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-4663 is a medium-severity Basic XSS (CWE-80) vulnerability in Adobe Connect. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 32.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Saphira Saphira Connect allows Reflected XSS. This issue affects Saphira Connect: before 9.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

adobe
connect
≤ 9.0

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.

addresses: CWE-79

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

addresses: CWE-79

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

addresses: CWE-79

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

References