TI-2019-02929 Aliases CVE-2019-3923 GHSA-x9wg-fm6f-f8w7

Cross-site scripting in Tenable Nessus

LOW 26CWE-79Published 2019-02-12 · Updated 2024-09-17

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Nessus versions 8.2.1 and earlier were found to contain a stored XSS vulnerability due to improper validation of user-supplied input. An authenticated, remote attacker could potentially exploit this vulnerability via a specially crafted request to execute arbitrary script code in a user's browser session. Tenable has released Nessus 8.2.2 to address this issue.

Why it matters now

EPSS 0.00879 59th percentileScored 2026-11-07

Fix Fixed Tenable Nessus (Tenable): 8.2.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Tenable	Tenable Nessus	before 8.2.2	8.2.2	Patch available	CNA

Tenable Nessus VendorTenable Affected before 8.2.2 Fixed in 8.2.2 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:tenable:nessus::::::::	up to 8.2.1	Vulnerable	Tenable

cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* Versions up to 8.2.1 Vulnerable ·Tenable

Remediation

Fix · CNA Tenable Nessus (Tenable) Fixed in 8.2.2

Timeline

2026-10-02 Threatist record created from CVE-2019-3923
2026-10-03 Alias added: GHSA-x9wg-fm6f-f8w7

References

Advisory 1

https://www.tenable.com/security/tns-2019-01

TI-2022-00687 Infinite loop in BN_mod_sqrt() reachable when parsing certificates CVSS 3.1HIGH 7.5
TI-2021-20962 In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the… CVSS 3.1HIGH 8.8
TI-2021-21076 In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize. CVSS 3.1HIGH 8.1
TI-2021-02413 NULL pointer deref in signature_algorithms processing CVSS 3.1MEDIUM 5.9
TI-2021-02414 CA certificate check bypass with X509_V_FLAG_X509_STRICT CVSS 3.1HIGH 7.4
TI-2022-07855 Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for… CVSS 3.1CRITICAL 9.8

See all 67 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences