What’s Vulnerable › Vulnerabilities

CVE-2020-11734

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-13 · updated 2026-06-17
• Weakness: CWE-79

Description

cgi-bin/go in CyberSolutions CyberMail 5 or later allows XSS via the ACTION parameter.

Affected products

• CyberSolutions Inc. CyberMail: from 5.0; 5.0

References

• https://gist.github.com/tonykuo76/d2480727faeb768a97800db3058dceed
• https://www.chtsecurity.com/news/6b907733-c475-4504-b3b7-793442d34335
• https://www.cybersolutions.co.jp/product/cybermail/
• https://gist.github.com/tonykuo76/d2480727faeb768a97800db3058dceed
• https://www.chtsecurity.com/news/6b907733-c475-4504-b3b7-793442d34335
• https://www.cybersolutions.co.jp/product/cybermail/

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