SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-39900

Versions 1.2.30 and prior are vulnerable to Reflected XSS via tab parameter in the auth_profile.php JavaScript context.

MEDIUM 5.3EPSS 0.26%

Does this matter?

Lower severity and a low EPSS score (0.26%). Track it; it rarely justifies an emergency change on its own.

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 4.0
5.3 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.26% probability · 18th percentile
CISA KEV
Not listed
Weakness
CWE-79
Affected
cacti/cacti
Source
security-advisories@github.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.