CVE-2024-0955Network attack vector

Stored script execution via crafted proxy settings

Published Feb 6, 2024 · Updated Aug 1, 2024

Stored XSS in Tenable Nessus 10.6.4 and earlier allows remote authenticated users with administrator privileges to execute scripts. The proxy-settings interface stores administrator-controlled values, but Tenable has not disclosed the affected fields or exact neutralization failure during later rendering. Exploitation requires an administrator to change proxy settings and another user's interaction with the stored content; scripts execute in that user's browser context.

CVSS severity4.8
Medium
EPSS probability0.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Tenable Nessus 10.6.4 and earlier allows remote authenticated users with administrator privileges to execute scripts. The proxy-settings interface stores administrator-controlled values, but Tenable has not disclosed the affected fields or exact neutralization failure during later rendering. Exploitation requires an administrator to change proxy settings and another user's interaction with the stored content; scripts execute in that user's browser context.

The record

CVE
CVE-2024-0955
Published
Feb 6, 2024
Updated
Aug 1, 2024
Vendor
Tenable
Product
Nessus
Classifications
CWE-79, CWE-20, CAPEC-592, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Feb 6, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <10.7.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Tenable · Nessusversion=0 <10.7.0

Published CVSS scores

4.3Tenable Network Security, Inc.CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C
4.8Tenable Network Security, Inc.CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-20Improper Input Validation
CAPEC-592Stored XSS
T1059.007Command and Scripting Interpreter JavaScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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