CVE-2018-18940
servlet/SnoopServlet (a servlet installed by default) in Netscape Enterprise 3.63 has reflected XSS via an arbitrary parameter=[XSS] in…
- 6.1MediumCVSS base score
- 1.4%Exploitation in 30 daysEPSS · top 27% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
- 3 months later
· 3 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.4% · top 27% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Affected products
n/a
- affected n/a
References
2
- http://packetstormsecurity.com/files/150262/Netscape-Enterprise-3.63-Cross-Site-Scripting.html (opens in a new tab)x_refsource_MISCx_transferred
- 20181109 [CVE-2018-18940] Cross Site Scripting in default SnoopServlet servlet Netscape Enterprise 3.63 (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-10646 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-18940)Record last updated .