What’s Vulnerable › Vulnerabilities

CVE-2021-31740

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-11-30 · updated 2026-06-17
• Weakness: CWE-79

Description

SEPPMail's web frontend, user input is not embedded correctly in the web page and therefore leads to cross-site scripting vulnerabilities (XSS).

Affected products

• SEPPmail: all versions

References

• https://www.pentagrid.ch/en/blog/multiple-vulnerabilities-in-seppmail/
• https://www.pentagrid.ch/en/blog/multiple-vulnerabilities-in-seppmail/

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