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CVE-2016-8581

MediumPublished

A persistent XSS vulnerability exists in the User-Agent header of the login process of AlienVault OSSIM and USM before 5.3.2 that allows an attacker to...

Published: Oct 28, 2016
Updated: Aug 6, 2024
Assigning CNA: mitre
Evidence observed: Nov 2, 2016

Primary CVSS

6.1/ 10Medium

nvd · CVSS 3.0

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS probability estimate

18.7%

Moderate · next 30 days

Percentile: 97.2%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A persistent XSS vulnerability exists in the User-Agent header of the login process of AlienVault OSSIM and USM before 5.3.2 that allows an attacker to steal session IDs of logged in users when the current sessions are viewed by an administrator.

Sources

Alienvault OSSIM/USM 5.3.1 - Persistent Cross-Site ScriptingExploit
Peter Lapp · php · Nov 2, 2016

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