CVE-2021-31740
SEPPMail's web frontend, user input is not embedded correctly in the web page and therefore leads...
SEPPMail's web frontend, user input is not embedded correctly in the web page and therefore leads to cross-site scripting vulnerabilities (XSS).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
SEPPMail's web frontend, user input is not embedded correctly in the web page and therefore leads to cross-site scripting vulnerabilities (XSS).
- Record
CVE-2021-31740- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List
SEPPMail's web frontend, user input is not embedded correctly in the web page and therefore leads to cross-site scripting vulnerabilities (XSS).
- Record
CVE-2021-31740- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-18624
SEPPMail's web frontend, user input is not embedded correctly in the web page and therefore leads to cross-site scripting vulnerabilities (XSS).
- Record
EUVD-2021-18624- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v7pm-56h6-94x6
SEPPMail's web frontend, user input is not embedded correctly in the web page and therefore leads...
SEPPMail's web frontend, user input is not embedded correctly in the web page and therefore leads to cross-site scripting vulnerabilities (XSS).
- Record
GHSA-v7pm-56h6-94x6- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-31740 is a medium vulnerability (CVSS 6.1) in Seppmail, published November 30, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 39th percentile. No source names a fixed version.