Nessus
CVE-2016-9259
MEDIUM
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 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required. EPSS exploitation probability: 0.17%. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. |
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Alert meAnalysisAI
Cross-site scripting (XSS) vulnerability in Tenable Nessus before 6.9.1 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. 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. Cross-site scripting (XSS) vulnerability in Tenable Nessus before 6.9.1 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors. Affected products include: Tenable Nessus. Version information: before 6.9.1.
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Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
Cross-site scripting (XSS) vulnerability in Tenable Nessus before 6.9.1 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
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
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. Rated med
The BN_mod_sqrt() function, which computes a modular square root, contains a bug that can cause it to loop forever for n
The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain.
The duration function in the moment package before 2.11.2 for Node.js allows remote attackers to cause a denial of servi
Insufficiently Protected Credentials: An authenticated user with debug privileges can retrieve stored Nessus policy cred
Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks
The /server/properties resource in Tenable Web UI before 2.3.5 for Nessus 5.2.3 through 5.2.7 allows remote attackers to
Vulnerability in Tenable Tenable.Io, Tenable Nessus, Tenable Security Center.Io: before Plugin Feed ID #202306261202 ; N
As part of our Security Development Lifecycle, a potential privilege escalation issue was identified internally. Rated h
A privilege escalation vulnerability was identified in Nessus versions 8.10.1 through 8.15.8 and 10.0.0 through 10.4.1.
An authenticated attacker could create an audit file that bypasses PowerShell cmdlet checks and executes commands with a
Authenticated SQL injection in Tenable Nessus lets any user with a valid low-privilege Nessus account read or modify dat
NVD
CVE.org
EPSS
GitHub PoC
Exploit-DB