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    CVE-2021-4256

    A vulnerability was found in ctrlo lenio. It has been classified as problematic. This affects an unknown part of the file views/index.tt. The manipulation of the argument task.name/task.site.org.name leads to cross site scripting. It is possible to initiate the attack remotely. The name of the patch is e1646d5cd0a2fbab9eb505196dd2ca1c9e4cdd97. It is recommended to apply a patch to fix this issue. The identifier VDB-216213 was assigned to this vulnerability.

    Published:Dec 18, 2022
    Last Modified:Apr 15, 2025
    EPS:Dec 18, 2022
    EPSS Score:0.00078
    CVSS Score:3.5

    Affected Products

    Vendor
    Ctrlo
    Product
    Lenio

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-209 XSS Using MIME Type Mismatch
    CAPEC-250 XML Injection
    CAPEC-276 Inter-component Protocol Manipulation
    CAPEC-277 Data Interchange Protocol Manipulation
    CAPEC-278 Web Services Protocol Manipulation
    CAPEC-279 SOAP Manipulation
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-468 Generic Cross-Browser Cross-Domain Theft
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-588 DOM-Based XSS
    CAPEC-591 Reflected XSS
    CAPEC-592 Stored XSS
    CAPEC-63 Cross-Site Scripting (XSS)
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-7 Blind SQL Injection
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-83 XPath Injection
    CAPEC-84 XQuery Injection
    CAPEC-85 AJAX Footprinting

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High