Medium severity · published Jun 24, 2026
CVE-2026-39900
Cacti: Reflected XSS via tab parameter in auth_profile.php JavaScript context
6.1
CVSS
0.3%
EPSS
No
On KEV
Description
Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior are vulnerable to Reflected XSS via tab parameter in the auth_profile.php JavaScript context. This issue has been fixed in version 1.2.31.
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 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
cacti · Cacti
< 1.2.31 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-39900
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-39900
Patch
https://github.com/Cacti/cacti/commit/891344a5c10b8687a3d2a5d26e6de20f13069e2a
Patch
https://github.com/Cacti/cacti/security/advisories/GHSA-34rf-frc3-v48r
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