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Vulnerability record · CVE-2018-18940 · published 31 January 2019

CVE-2018-18940: Netscape enterprise server cross-site scripting vulnerability

Netscape · Enterprise Server

servlet/SnoopServlet (a servlet installed by default) in Netscape Enterprise 3.63 has reflected XSS via an arbitrary parameter=[XSS] in the query string. A remote unauthenticated attacker could potentially exploit this vulnerability to supply malicious HTML or JavaScript code to a vulnerable web application, which is then reflected back to the victim and executed by the web browser. NOTE: this product is discontinued.

6.1 CVSS 3.0 Medium EPSS 1.4% · top 28.2% CWE-79 · Cross-site scripting
6.1CVSS 3.0 base score, v2 4.3
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

servlet/SnoopServlet (a servlet installed by default) in Netscape Enterprise 3.63 has reflected XSS via an arbitrary parameter=[XSS] in the query string. A remote unauthenticated attacker could potentially exploit this vulnerability to supply malicious HTML or JavaScript code to a vulnerable web application, which is then reflected back to the victim and executed by the web browser. NOTE: this product is discontinued.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/150262/Netscape-Enterprise-3.63-Cross-Site-Scripting.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2018/Nov/31 ExploitMailing ListThird Party Advisory
http://packetstormsecurity.com/files/150262/Netscape-Enterprise-3.63-Cross-Site-Scripting.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2018/Nov/31 ExploitMailing ListThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-18940), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.