What’s Vulnerable › Vulnerabilities

CVE-2018-18621

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-10-24 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• Communigate Pro: 6.2

References

• http://packetstormsecurity.com/files/149916/CommuniGatePro-Pronto-Webmail-6.2-Cross-Site-Scripting.html
• https://drive.google.com/drive/folders/1irWaVi-AySHFFMap5pF1_7hk6mTeemDT
• http://packetstormsecurity.com/files/149916/CommuniGatePro-Pronto-Webmail-6.2-Cross-Site-Scripting.html
• https://drive.google.com/drive/folders/1irWaVi-AySHFFMap5pF1_7hk6mTeemDT

Get alerted when CVE-2018-18621 or the next vulnerability affects your stack