VulnerabilityAnalyzed

CVE-2026-39897

Versions 1.2.30 and below contain a Reflected XSS vulnerability in the html_auth_footer.

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 below contain a Reflected XSS vulnerability in the html_auth_footer. 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

References

https://github.com/Cacti/cacti/commit/7c544ea0b45de627f206eefe93005433c2c3864dPatch
https://github.com/Cacti/cacti/security/advisories/GHSA-2j98-xfjq-gw39Vendor Advisory

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