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Unified Security Management CVE-2016-8583

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2016-10-28 cve@mitre.org
6.1
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 0.30%.

Exploit ScenarioDerived

A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

Multiple GET parameters in the vulnerability scan scheduler of AlienVault OSSIM and USM before 5.3.2 are vulnerable to reflected XSS. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Multiple GET parameters in the vulnerability scan scheduler of AlienVault OSSIM and USM before 5.3.2 are vulnerable to reflected XSS. Affected products include: Alienvault Open Source Security Information And Event Management, Alienvault Unified Security Management. Version information: before 5.3.2.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionCVE.org

Multiple GET parameters in the vulnerability scan scheduler of AlienVault OSSIM and USM before 5.3.2 are vulnerable to reflected XSS.

Threat Intelligence Overview

EPSS Score
0.3%
Top 47% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

30
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +30
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)CVE.org

cpe:2.3:a:alienvault:open_source_security_information_and_event_management:*:*:*:*:*:*:*:*
cpe:2.3:a:alienvault:unified_security_management:*:*:*:*:*:*:*:*
CVE-2016-8582 CRITICAL POC
9.8 Oct 28

A vulnerability exists in gauge.php of AlienVault OSSIM and USM before 5.3.2 that allows an attacker to execute an arbit

CVE-2016-8581 MEDIUM POC
6.1 Oct 28

A persistent XSS vulnerability exists in the User-Agent header of the login process of AlienVault OSSIM and USM before 5

CVE-2017-6971 HIGH POC
8.8 Mar 22

AlienVault USM and OSSIM before 5.3.7 and NfSen before 1.3.8 allow remote authenticated users to execute arbitrary comma

CVE-2017-6972 CRITICAL POC
9.8 Mar 22

AlienVault USM and OSSIM before 5.3.7 and NfSen before 1.3.8 have an error in privilege dropping and unnecessarily execu

CVE-2016-8580 CRITICAL POC
9.8 Oct 28

PHP object injection vulnerabilities exist in multiple widget files in AlienVault OSSIM and USM before 5.3.2. Rated crit

CVE-2017-6970 HIGH POC
8.4 Mar 22

AlienVault USM and OSSIM before 5.3.7 and NfSen before 1.3.8 allow local users to execute arbitrary commands in a privil

CVE-2016-7955 CRITICAL
9.8 Mar 15

The logcheck function in session.inc in AlienVault OSSIM before 5.3.1, when an action has been created, and USM before 5

CVE-2017-14956 MEDIUM POC
5.7 Oct 18

AlienVault USM v5.4.2 and earlier offers authenticated users the functionality of exporting generated reports via the "/

CVE-2018-7279 CRITICAL
9.8 Mar 14

A remote code execution issue was discovered in AlienVault USM and OSSIM before 5.5.1. Rated critical severity (CVSS 9.8

CVE-2015-3446 CRITICAL
9.3 May 01

The Framework Daemon in AlienVault Unified Security Management before 4.15 allows remote attackers to execute arbitrary

CVE-2016-6913 MEDIUM POC
5.4 Sep 26

Cross-site scripting (XSS) vulnerability in AlienVault OSSIM before 5.3 and USM before 5.3 allows remote attackers to in

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