CVE-2021-31674
Cyclos 4 PRO 4.14.7 and before does not validate user input at error inform, which allows remote...
Cyclos 4 PRO 4.14.7 and before does not validate user input at error inform, which allows remote unauthenticated attacker to execute javascript code via undefine enum constant.
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
6.1
Cyclos 4 PRO 4.14.7 and before does not validate user input at error inform, which allows remote unauthenticated attacker to execute javascript code via undefine enum constant.
- Record
CVE-2021-31674- 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
Cyclos 4 PRO 4.14.7 and before does not validate user input at error inform, which allows remote unauthenticated attacker to execute javascript code via undefine enum constant.
- Record
CVE-2021-31674- Updated
- 2026-11-02
EUVDEUVD-2021-18560 No score
Cyclos 4 PRO 4.14.7 and before does not validate user input at error inform, which allows remote unauthenticated attacker to execute javascript code via undefine enum constant.
- Record
EUVD-2021-18560- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x493-7fm3-mc5q
6.1
Cyclos 4 PRO 4.14.7 and before does not validate user input at error inform, which allows remote...
Cyclos 4 PRO 4.14.7 and before does not validate user input at error inform, which allows remote unauthenticated attacker to execute javascript code via undefine enum constant.
- Record
GHSA-x493-7fm3-mc5q- 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
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Cyclos 4.14.7 - DOM Based Cross-Site Scripting (XSS) | 2022-05-11 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-31674 is a medium vulnerability (CVSS 6.1) in Cyclos, published May 1, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.95%, the 90th percentile. No source names a fixed version.
References
tf1t.gitbook.io/mycve/cylos/cyclos-4.14.7-dom-based-cross-site-scripting-in-undefined-enum-cve-2021-31674
exploit-db.com/exploits/50908
packetstormsecurity.com/files/167040/Cyclos-4.14.7-Cross-Site-Scripting.html
nvd.nist.gov/vuln/detail/CVE-2021-31674
cyclos.com
github.com/advisories/GHSA-x493-7fm3-mc5q