Medium severity · published Jan 14, 2026
CVE-2025-67833
Paessler PRTG Network Monitor before 25.4.114 allows XSS by an unauthenticated attacker via the tag parameter
6.1
CVSS
0.3%
EPSS
No
On KEV
Description
Paessler PRTG Network Monitor before 25.4.114 allows XSS by an unauthenticated attacker via the tag parameter.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PN
Prtg Network Monitor · Paessler
before 25.4.114.1032 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-67833
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-67833
Vendor Advisory
https://helpdesk.paessler.com/en/support/solutions/articles/76000087289-vulnerabilities-in-prtg-prior-v25-4-114-1032
Product
https://paessler.com
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