CVE-2026-39897
Received Received - Intake
Reflected Cross-Site Scripting in Cacti

Publication date: 2026-06-24

Last updated on: 2026-06-24

Assigner: GitHub, Inc.

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.
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Meta Information
Published
2026-06-24
Last Modified
2026-06-24
Generated
2026-06-25
AI Q&A
2026-06-25
EPSS Evaluated
N/A
NVD
CVE-2026-39897
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
cacti cacti to 1.2.31 (exc)
cacti cacti 1.2.31
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability is a Reflected Cross-Site Scripting (XSS) issue found in Cacti, an open source performance and fault management framework. It affects versions 1.2.30 and below, specifically in the html_auth_footer component. Reflected XSS occurs when malicious scripts are reflected off a web server, potentially allowing attackers to execute scripts in the context of a victim's browser.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade Cacti to version 1.2.31 or later, as this version contains the fix for the Reflected XSS vulnerability in the html_auth_footer.

Impact Analysis

The Reflected XSS vulnerability can allow attackers to execute malicious scripts in the browsers of users who visit the affected Cacti instance. This can lead to theft of session cookies, defacement, or redirection to malicious sites, potentially compromising user data or system integrity.

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