High severity · published Aug 12, 2026
CVE-2026-65937
WhatsUp Gold versions prior to 26.0.2 contain multiple stored cross-site scripting (XSS) vulnerabilities across the web UI
8.0
CVSS
0.4%
EPSS
No
On KEV
Description
In WhatsUp Gold versions released before 2026.0.2, an authenticated attacker can bypass frontend controls and inject persistent script content.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WG
WhatsUp Gold · Progress
before 26.0.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-65937
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-65937
Vendor Advisory
https://community.progress.com/s/article/WhatsUp-Gold-Security-Bulletin-August-2026
Release Notes
https://docs.progress.com/bundle/whatsupgold-release-notes-26-0/page/WhatsUp-Gold-2026.0-Release-Notes.html
Product
https://www.progress.com/network-monitoring
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