CVE-2023-36637
An improper neutralization of input during web page generation vulnerability [CWE-79] in...
An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiMail version 7.2.0 through 7.2.2 and before 7.0.5 allows an authenticated attacker to inject HTML tags in FortiMail's calendar via input fields.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiMail version 7.2.0 through 7.2.2 and before 7.0.5 allows an authenticated attacker to inject HTML tags in FortiMail's calendar via input fields.
- Record
CVE-2023-36637- CVSS 3.1
- 3.4 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:F/RL:X/RC:C - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2023-40581
An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiMail version 7.2.0 through 7.2.2 and before 7.0.5 allows an authenticated attacker to inject HTML tags in FortiMail's calendar via input fields.
- Record
EUVD-2023-40581- CVSS 3.1
- 3.4 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:F/RL:X/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mmm9-8xmv-42v6
An improper neutralization of input during web page generation vulnerability [CWE-79] in...
An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiMail version 7.2.0 through 7.2.2 and before 7.0.5 allows an authenticated attacker to inject HTML tags in FortiMail's calendar via input fields.
- Record
GHSA-mmm9-8xmv-42v6- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiMail version 7.2.0 through 7.2.2 and before 7.0.5 allows an authenticated attacker to inject HTML tags in FortiMail's calendar via input fields.
- Record
CVE-2023-36637- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-36637 is a low vulnerability (CVSS 3.4) in Fortinet Fortimail, published October 10, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 44th percentile. No source names a fixed version.