CVE-2018-18621
UnknownEPSS 1.06%
Last modified
CVE-2018-18621 is a vulnerability of currently unknown severity. CommuniGate Pro 6.2 allows stored XSS via a message body in Pronto! Mail Composer, which is mishandled in /MIME/INBOX-MM-1/ if the raw email link (in .txt format) is modified and then renamed with a .html or .wssp extension.. EPSS estimates a 1.06% chance of exploitation in the next 30 days.
Description
CommuniGate Pro 6.2 allows stored XSS via a message body in Pronto! Mail Composer, which is mishandled in /MIME/INBOX-MM-1/ if the raw email link (in .txt format) is modified and then renamed with a .html or .wssp extension.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Communigate | Communigate Pro | 6.2 |
References
- http://packetstormsecurity.com/files/149916/CommuniGatePro-Pronto-Webmail-6.2-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry
- https://drive.google.com/drive/folders/1irWaVi-AySHFFMap5pF1_7hk6mTeemDTExploit, Third Party Advisory
- http://packetstormsecurity.com/files/149916/CommuniGatePro-Pronto-Webmail-6.2-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry
- https://drive.google.com/drive/folders/1irWaVi-AySHFFMap5pF1_7hk6mTeemDTExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-18621?
CommuniGate Pro 6.2 allows stored XSS via a message body in Pronto! Mail Composer, which is mishandled in /MIME/INBOX-MM-1/ if the raw email link (in .txt format) is modified and then renamed with a .html or .wssp extension.
How severe is CVE-2018-18621?
Severity scoring for CVE-2018-18621 is pending analysis. The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.
How do I fix CVE-2018-18621?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2018-18621?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST