CVE-2017-16962 json
The WebMail components (Crystal, pronto, and pronto4) in CommuniGate Pro before 6.2.1 have stored XSS vulnerabilities via (1) the location…
published 2017-11-27 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-18909
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 1
- Exploit-DB
Summary
The WebMail components (Crystal, pronto, and pronto4) in CommuniGate Pro before 6.2.1 have stored XSS vulnerabilities via (1) the location or details field of a Google Calendar invitation, (2) a crafted Outlook.com calendar (aka Hotmail Calendar) invitation, (3) e-mail granting access to a directory that has JavaScript in its name, (4) JavaScript in a note name, (5) JavaScript in a task name, or (6) HTML e-mail that is mishandled in the Inbox component.
Patch / fix
- communigate communigate_pro 6.2.1
Timeline
- First public exploit (EDB-43177)
- Published
Exploit prediction
2.19% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-43177 CommuniGatePro 6.1.16 - Cross-Site Scripting webapps, 2017-11-15
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
exploit-db.com
/exploits/43177/
exploit, third-party-advisory, vdb-entry
-
packetstormsecurity.com
/files/145095/communigatepro-xss.txt
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2017-16962
- NVD CVE-2017-16962
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.