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PatchSiren cyber security CVE debrief

CVE-2023-28148 Paessler CVE debrief

A bodyclass XSS issue was discovered in Paessler PRTG before 23.3.86.1520. This CVE record was published on 2026-09-14T05:16:56.837Z and has not been modified since then. The NVD entry is currently Awaiting Analysis. Defenders responsible for Paessler PRTG installations should assess exposure and verify the presence of updates to ensure version 23.3.86.1520 or later is running. The vulnerability could potentially allow for XSS attacks if not mitigated. Further investigation is needed to determine the full scope of the issue. The CVE record and NVD entry provide limited information about the vulnerability.

Vendor
Paessler
Product
PRTG Network Monitor
CVSS
HIGH 7.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-14
Original CVE updated
2026-09-22
Advisory published
2026-09-14
Advisory updated
2026-09-22

Who should care

Defenders responsible for Paessler PRTG installations should assess exposure and verify the presence of updates to ensure version 23.3.86.1520 or later is running.

Why it matters

Defenders should prioritize verifying the presence of Paessler PRTG in their environment and checking for updates to ensure they are running version 23.3.86.1520 or later. The vulnerability could potentially allow for XSS attacks if not mitigated. Further investigation is needed to determine the full scope of the issue.

  • Defenders should verify the presence of Paessler PRTG in their environment and check for updates to ensure they are running version 23.3.86.1520 or later.
  • The vulnerability could potentially allow for XSS attacks if not mitigated.
  • Further investigation is needed to determine the full scope of the issue.

Technical summary

A bodyclass XSS issue was discovered in Paessler PRTG before 23.3.86.1520. The CVE record and NVD entry provide limited information about the vulnerability. The vulnerability is related to a bodyclass XSS issue in Paessler PRTG. Defenders should prioritize verifying the presence of Paessler PRTG in their environment and checking for updates to ensure they are running version 23.3.86.1520 or later.

Defensive priority

Defenders should prioritize verifying the presence of Paessler PRTG in their environment and checking for updates to ensure they are running version 23.3.86.1520 or later.

Recommended defensive actions

  • Verify the presence of Paessler PRTG in the environment
  • Check for updates to ensure version 23.3.86.1520 or later is running
  • Monitor for potential XSS attacks

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further investigation is needed to determine the full scope of the issue.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-28148 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-28148

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2023-28148 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-28148

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.