SARA / Free Tools / CVE / CVE-2023-28148

CVE-2023-28148 — A bodyclass XSS issue was discovered in Paessler PRTG before 23

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

CVSS

7.2 HIGH

EPSS

0.21% (top 88.60%)

CWE

—

Published

2026-09-14T05:16:56.837

Last modified

2026-09-22T19:56:19.073

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

01What is this vulnerability?

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

No structured affected-product list available — see references below for vendor advisories.

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

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