Cyber Resilience

CVE-2023-22856

High

Published: 06 March 2023

Published
06 March 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0032 55.2th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-22856 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Blogengine Blogengine.Net. Its CVSS base score is 8.5 (High).

Operationally, ranked in the top 44.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A stored Cross-site Scripting (XSS) vulnerability in BlogEngine.NET 3.3.8.0, allows injection of arbitrary JavaScript in the security context of a blog visitor through an upload of a specially crafted file.

CWE(s)

Related Threats

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

Affected Assets

blogengine
blogengine.net
3.3.8.0

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