CVE-2021-4257
Published: 18 December 2022
Summary
CVE-2021-4257 is a low-severity Improper Neutralization (CWE-707) vulnerability in Ctrlo Lenio. Its CVSS base score is 3.5 (Low).
Operationally, ranked in the top 45.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-34103
Vulnerability details
A vulnerability was found in ctrlo lenio. It has been declared as problematic. This vulnerability affects unknown code of the file views/task.tt of the component Task Handler. The manipulation of the argument site.org.name/check.name/task.tasktype.name/task.name leads to cross site scripting. The attack…
more
can be initiated remotely. The name of the patch is 698c5fa465169d6f23c6a41ca4b1fc9a7869013a. It is recommended to apply a patch to fix this issue. VDB-216214 is the identifier assigned to this vulnerability.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Enforces use of documented standards and tool configurations that address proper neutralization of inputs/outputs during development.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.