CVE-2020-5540
Cross-site scripting vulnerability in CyberMail Ver.6.x and Ver.7.x allows remote attackers to...
Cross-site scripting vulnerability in CyberMail Ver.6.x and Ver.7.x allows remote attackers to inject arbitrary script or HTML via a specially crafted URL.
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
Cross-site scripting vulnerability in CyberMail Ver.6.x and Ver.7.x allows remote attackers to inject arbitrary script or HTML via a specially crafted URL.
- Record
CVE-2020-5540- 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 - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Cross-site scripting vulnerability in CyberMail Ver.6.x and Ver.7.x allows remote attackers to inject arbitrary script or HTML via a specially crafted URL.
- Record
CVE-2020-5540- Updated
- 2026-11-02
EUVDEUVD-2020-26702 No score
Cross-site scripting vulnerability in CyberMail Ver.6.x and Ver.7.x allows remote attackers to inject arbitrary script or HTML via a specially crafted URL.
- Record
EUVD-2020-26702- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f7cr-gfx3-646g
Cross-site scripting vulnerability in CyberMail Ver.6.x and Ver.7.x allows remote attackers to...
Cross-site scripting vulnerability in CyberMail Ver.6.x and Ver.7.x allows remote attackers to inject arbitrary script or HTML via a specially crafted URL.
- Record
GHSA-f7cr-gfx3-646g- 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 |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-5540 is a medium vulnerability (CVSS 6.1) in Cybersolutions Cybermail, published August 25, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.50%, the 74th percentile. No source names a fixed version.
References
sup.cybersolutions.co.jp/otrs/customer.pl?Action=CustomerFAQZoom%3BItemID=985
jvn.jp/en/jp/JVN46258789
gist.github.com/tonykuo76/d2480727faeb768a97800db3058dceed
chtsecurity.com/news/fff688e5-8ba2-4da2-be65-732fc6c9ce9d
nvd.nist.gov/vuln/detail/CVE-2020-5540
github.com/advisories/GHSA-f7cr-gfx3-646g