CVE-2026-39900 | Cacti is an open source performance and fault management fra… | CVSS 5.3 MEDIUM

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.

Metadata

CVE ID: CVE-2026-39900
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-04-07 20:32 UTC
Published: 2026-06-24 22:37 UTC
Last updated: 2026-06-24 22:37 UTC
Primary CWE: CWE-79
CWE-79: Improper Neutralization of Input During Web Page Gen…
Vendor / Product: Cacti / cacti
Sources: cve.org · NVD

Severity & Metrics

5.3 MEDIUM CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Affected products (1)

Vendor	Product	Platform	Versions
Cacti	cacti	—	< 1.2.31

Weakness (CWE)

CWE	Source	Description
CWE-79	cna	CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS scores (1)

Score	Severity	Version	Source	Vector
5.3	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

References (2)

https://github.com/Cacti/cacti/security/advisories/GHSA-34rf-frc3-v48r https://github.com/Cacti/cacti/security/advisories/GHSA-34rf-frc3-v48r
https://github.com/Cacti/cacti/commit/891344a5c10b8687a3d2a5d26e6de20f13069e2a https://github.com/Cacti/cacti/commit/891344a5c10b8687a3d2a5d26e6de20f13069e2a