CVE-2021-4431
msyk FMDataAPI FMDataAPI_Sample.php cross site scripting
A vulnerability classified as problematic has been found in msyk FMDataAPI up to 22. Affected is an unknown function of the file FMDataAPI_Sample.php. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 23 is able to address this issue. The patch is identified as 3bd1709a8f7b1720529bf5dfc9855ad609f436cf. It is recommended to upgrade the affected component. VDB-244494 is the identifier assigned to this vulnerability.
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
msyk FMDataAPI FMDataAPI_Sample.php cross site scripting
A vulnerability classified as problematic has been found in msyk FMDataAPI up to 22. Affected is an unknown function of the file FMDataAPI_Sample.php. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 23 is able to address this issue. The patch is identified as 3bd1709a8f7b1720529bf5dfc9855ad609f436cf. It is recommended to upgrade the affected component. VDB-244494 is the identifier assigned to this vulnerability.
- Record
CVE-2021-4431- 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 3.0
- 3.5 Low
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N - CVSS 2.0
- 4.0
AV:N/AC:L/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-34258
A vulnerability classified as problematic has been found in msyk FMDataAPI up to 22. Affected is an unknown function of the file FMDataAPI_Sample.php. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 23 is able to address this issue. The patch is identified as 3bd1709a8f7b1720529bf5dfc9855ad609f436cf. It is recommended to upgrade the affected component. VDB-244494 is the identifier assigned to this vulnerability.
- Record
EUVD-2021-34258- 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 - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5r5w-vh62-8499
A vulnerability classified as problematic has been found in msyk FMDataAPI up to 22. Affected is...
A vulnerability classified as problematic has been found in msyk FMDataAPI up to 22. Affected is an unknown function of the file FMDataAPI_Sample.php. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 23 is able to address this issue. The patch is identified as 3bd1709a8f7b1720529bf5dfc9855ad609f436cf. It is recommended to upgrade the affected component. VDB-244494 is the identifier assigned to this vulnerability.
- Record
GHSA-5r5w-vh62-8499- 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
NVD
A vulnerability classified as problematic has been found in msyk FMDataAPI up to 22. Affected is an unknown function of the file FMDataAPI_Sample.php. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 23 is able to address this issue. The patch is identified as 3bd1709a8f7b1720529bf5dfc9855ad609f436cf. It is recommended to upgrade the affected component. VDB-244494 is the identifier assigned to this vulnerability.
- Record
CVE-2021-4431- 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
- 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
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
A vulnerability classified as problematic has been found in msyk FMDataAPI up to 22. Affected is an unknown function of the file FMDataAPI_Sample.php. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 23 is able to address this issue. The patch is identified as 3bd1709a8f7b1720529bf5dfc9855ad609f436cf. It is recommended to upgrade the affected component. VDB-244494 is the identifier assigned to this vulnerability.
- Record
CVE-2021-4431- 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
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-4431 is a low vulnerability (CVSS 3.5) in Msyk Fmdataapi, published November 7, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.73%, the 54th percentile. No source names a fixed version.